"Note: This map is reduced from surveys made ... between 1850 and '57 ... and from supplementary surveys of the interior made ... in 1867 and '68 ... The scale of the original maps is 1:10,000." Contour interval 20 ft. Library's copy annotated in ink and pencil to show geological information.
Extent
1 map ; 68 x 42 cm.
Extent of Digitization
This object has been completely digitized.
Scale
Scale 1:40,000
Coordinates
(W 122⁰31ʹ--W 122⁰19ʹ/N 37⁰50ʹ--N 37⁰35ʹ)., 40000, a, N0373500, N0375000, W1221900, and W1223100
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