Wheeler Survey field notebook no. 21: observations for time Image Read more about Wheeler Survey field notebook no. 21: observations for time
Wheeler Survey field notebook no. 22: meteorological records; reconnaissance; comparison of barometers and attached thermometers Image Read more about Wheeler Survey field notebook no. 22: meteorological records; reconnaissance; comparison of barometers and attached thermometers
Wheeler Survey field notebook no. 21: meteorological records; reconnaissance, Nevada and Arizona Image Read more about Wheeler Survey field notebook no. 21: meteorological records; reconnaissance, Nevada and Arizona
Wheeler Survey field notebook no. 28: computation book from Carlin to Camp Mohave Image Read more about Wheeler Survey field notebook no. 28: computation book from Carlin to Camp Mohave
Wheeler Survey field notebook no. 1: sextant observations Image Read more about Wheeler Survey field notebook no. 1: sextant observations
Wheeler Survey field notebook no. 16 (?) Image Read more about Wheeler Survey field notebook no. 16 (?)