73 Nevada county, Historic american engineering record Images: PICRYL - Public Domain Media Search Engine Public Domain Search

Brick Stores A & B, Mill Street, Grass Valley, Nevada County, CA

Survey number: HABS CA-1692 Public domain photograph - 1930s California, United States, free to use, no copyright restrictions image - Picryl description

Central Pacific Transcontinental Railroad, Tunnel No. 35, Milepost 176...

Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More

Central Pacific Transcontinental Railroad, Tunnel No. 35, Milepost 176...

Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More

Central Pacific Transcontinental Railroad, Tunnel No. 35, Milepost 176...

Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More

Central Pacific Transcontinental Railroad, Tunnel No. 35, Milepost 176...

Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Purdon Crossing Bridge, Nevada City, Nevada County, CA

Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss. Survey number: HAER CA-40 Building/structure dates: 1889 Initial Construction

Central Pacific Transcontinental Railroad, Tunnel No. 37, Milepost 177...

Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More

Central Pacific Transcontinental Railroad, Tunnel No. 37, Milepost 177...

Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More

Central Pacific Transcontinental Railroad, Tunnel No. 37, Milepost 177...

Significance: The Central Pacific First Transcontinental Railroad is a segment of the western half of the first transcontinental railroad, built from Sacramento, California to Promontory Summit, Utah between 18... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More

Bridgeport Covered Bridge, Spanning South Fork of Yuba River at bypass...

Howe truss with arch See also HABS No. CA-1401 for additional documentation, including one photograph. Significance: The Bridgeport Covered Bridge is 233 feet long and was originally built as part of a toll roa... More