:1 Photographs of the Yolo Baseline. California, 1881. W. Suess. Photo.
:2 Yolo Base Line Party
:3 The Men of the Party
:4 The Moveable Tent or "Yolo Buggy", 51 feet long under which all measurements were made.
:5 "Yolo Buggy at S.E. at close of second measurement. (The 35 foot brick pier removed, but protecting tower left partly dismantled. 6996 bars in 37 working days. Base 17,486 metres.)
:6 Field comparisons of bars with standard. Side of "Yolo Buggy" raised to show the working.
:7 Moveable tent or "Yolo Buggy" at Plainfield road measuring fractional bar at Fence stone.
:8 Measuring across one of the sloughs. "Dry Sl ough" Trestle, 115 feet long, 22 feet high at footpath, 25 feet at rail.
:9 Camp near middle base, from the Northwest.
:10 Camp near middle base, from the East.
:11 Camp near middle base, from the Northeast.