58 x 46 cm., on sheet 87 x 91 cm., folded in envelope 30 x 24 cm. Relief shown by contours and spot heights. "Contour interval 20 feet." "Prepared in cooperation with the U.S. Atomic Energy Commission." "Geology mapped in 1962-63." Includes text, 2 col. cross sections, and 2 index maps. Original publisher: U.S. Geological Survey, Series: Geologic quadrangle map GQ, Scale: 1:24 000.
'Compiled by J.T. McWilliams from official county records, U.S. Land Dept. surveys, railroad co. field maps and many personal surveys. Made in 1927 by J.T. McWilliams, C.E.' Includes township and road districts, school districts, mining districts, railroads, wagon roads, trails, springs and artesian wells. Scale [ca. 1:316,800. 1 in. to approx. 5 miles] (W 116°--W 114°/N37--N35). Relief shown by hachures. Blueline print. Library's copy 1 has one area outlined by hand in red. Library's copy 2 has school districts outlined in red and green pencil and labeled in pencil by hand.