Highly detailed chart of the Sacremento River, from the area just north of Colusa to the River's confluence with the Feather River.
The map is exceptionally detailed, with relief shown by contours and spot heights. Shows drainage, township and section lines, ranchos, irrigation and drainage, districts, railroads, etc. The map was prepared by J.C. Henkenius. OCLC locates 3 examples (Bancroft, UC Chico and UC Davis). Near flawless unfolded examples.