Agness Guard Station, Office, Confluence of Rogue & Illinois Rivers, A...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
Agness Guard Station, Office, Confluence of Rogue & Illinois Rivers, A...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
Agness Guard Station, Office, Confluence of Rogue & Illinois Rivers, A...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
Agness Guard Station, Office, Confluence of Rogue & Illinois Rivers, A...
Significance: CCC administrative site used by Siskiyou National Forest as a guard station constructed by the first CCC camp established in SW Oregon. The materials for it were brought up the Rogue River by boa... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Sacramento River Water Treatment Plant Intake Pier & Access Bridge, Sp...
Significance: The Sacramento Water Treatment Plant Intake Pier and Access Bridge was constructed between 1921 and 1923 as a component of the Sacramento Water Filtration Plant. Designed in a Spanish Revival inf... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Gilbert Bridge, U.S. Route 52, spanning Guyandotte River near confluen...
Significance: The Gilbert Bridge, which was constructed during the "Good Roads Movement" of the 1920s, allowed for the economic and geographic expansion of Gilbert, West Virginia by providing safe and convenien... More
Chickamauga National Military Park Tour Roads, Alexander's Bridge, At ...
Significance: Alexander's Bridge, the Connecting Roadway (HAER No. GA-95-B), and Gordon's Slough Bridge (HAER No. GA-95-C) are contributing features to the Chickamauga and Chattanooga National Military Park. T... More
Chickamauga National Military Park Tour Roads, Alexander's Bridge, At ...
Significance: Alexander's Bridge, the Connecting Roadway (HAER No. GA-95-B), and Gordon's Slough Bridge (HAER No. GA-95-C) are contributing features to the Chickamauga and Chattanooga National Military Park. T... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
High Line Canal, Mouth of South Platte River to confluence with Second...
Significance: The first major irrigation project on the Front Range, it was the largest and most expensive canal ever built in Colorado before the advent of transmontane water diversion. Also called the "Englis... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
Virginius Island Waterpowered Mill Complex, North bank of Shenandoah R...
Significance: Virginius Island is significant because it is representative of nineteenth-century water-powered industry, the type which initially kindled America's Industrial Revolution. The Island's first ind... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
David Renfrew Oil Rig, East side of Connoquenessing Creek, 0.4 mile No...
Significance: Historically significant as a relatively rare survivor of the early-twentieth-century oil industry in southwestern Pennsylvania, and for its location in the Bald Ridge oil field. Technologically ... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Y-Bridge, Spanning confluence of Muskingham & Licking Rivers, Zanesvil...
Significance: The Y-Bridge was one of the early bridges in the United States to use concrete and steel construction. At the time it was built, it was the only bridge in the United States with a Y configuration... More
Santa Ana River Hydroelectric System, Bear Creek Diversion Dam & Confl...
Survey number: HAER CA-130-B Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work
Santa Ana River Hydroelectric System, Bear Creek Diversion Dam & Confl...
Survey number: HAER CA-130-B Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work
Santa Ana River Hydroelectric System, Bear Creek Diversion Dam & Confl...
Survey number: HAER CA-130-B Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work
Santa Ana River Hydroelectric System, Bear Creek Diversion Dam & Confl...
Survey number: HAER CA-130-B Building/structure dates: 1898 Initial Construction Building/structure dates: 1905 Subsequent Work Building/structure dates: 1904 Subsequent Work