r s williamson

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General map of explorations and surveys in California /

General map of explorations and surveys in California /

Scale 1:600,000. At head of title: Routes in California to connect with the routes near the 32nd. and 35th. parallels. Relief shown by hachures. From U.S. War Department, Explorations and Surveys for a Railroad... More

Map and profile of the Cañada de las Uvas : from explorations and surveys /

Map and profile of the Cañada de las Uvas : from explorations and surv...

Scale 1:60,000. At head of title: Routes in California to connect with the routes near the 32nd and 35th Parallels. Relief shown by hachures. From U.S. War Department, Explorations and Surveys for a Railroad Ro... More

Map of passes in the Sierra Nevada from Walker's Pass to the Coast Range : from explorations and surveys /

Map of passes in the Sierra Nevada from Walker's Pass to the Coast Ran...

Scale 1:240,000. At head of title: Routes in California to connect with the routes near the 32nd and 35th Parallels. Relief shown by hachures. From U.S. War Department, Explorations and Surveys for a Railroad R... More

From San Francisco Bay to the northern boundary of California : from explorations and surveys /

From San Francisco Bay to the northern boundary of California : from e...

Scale 1:760,320. Relief shown by hachures. At head of title: Routes in Oregon and California. Map no. 1. "Drawn by John Young." From U.S. War Department, Explorations and Surveys for a Railroad Route from the M... More

From the northern boundary of California to the Columbia River : from explorations and surveys /

From the northern boundary of California to the Columbia River : from ...

Scale 1:760,320. Relief shown by hachures. At head of title: Routes in Oregon and California. Map no. 2. "Drawn by John Young." From U.S. War Department, Explorations and Surveys for a Railroad Route from the M... More

Surveys & reconnaissances in the vicinity of Budd's Ferry, Charles Co., Md. /

Surveys & reconnaissances in the vicinity of Budd's Ferry, Charles Co....

Relief shown by hachures. In upper lefthand corner: 211, L. Sheet 5. In lower righthand corner: Transferred from Office of Chf. Engr., Defenses of Washington, to Engr. Dept., Jan'y 1866. Shows roads, drainage, ... More