surveyed & drawn by order of Genl. Riley, commandg. 10th Military Dept. by Lieut. Derby, Topl. Engrs.
Relief shown by hachures.
Latitudinal and longitudinal lines.
Shows topography, vegetation, drainage, roads, city plan of Sacramento, land ownership, etc.
Decorative cartouche.
Descriptive text throughout, indicating landscape, fauna, routes.
"S. Ex. Doc. No. 47, Part 2nd, 1st Sess., 31st Cong."
From Senate Executive Document 47, 31st. Congress, 1st. Session, 1850.