Wheeler Survey field notebook no. 318: topographical records Image Read more about Wheeler Survey field notebook no. 318: topographical records
Wheeler Survey field notebook: 22.5 adjustments Sutro Base triangulation Image Read more about Wheeler Survey field notebook: 22.5 adjustments Sutro Base triangulation
Wheeler Survey field notebook no. 6: reconnaissance; surveys for military defenses Image Read more about Wheeler Survey field notebook no. 6: reconnaissance; surveys for military defenses
Wheeler Survey field notebook no. 203: topographical records Image Read more about Wheeler Survey field notebook no. 203: topographical records
Wheeler Survey field notebook: triangulation; topographical records Image Read more about Wheeler Survey field notebook: triangulation; topographical records
Wheeler Survey field notebook no. 2: aneroid readings; reconnaissance of 1869 Image Read more about Wheeler Survey field notebook no. 2: aneroid readings; reconnaissance of 1869
Wheeler Survey field notebook: computations of latitudes and departures, of topographical meanders Image Read more about Wheeler Survey field notebook: computations of latitudes and departures, of topographical meanders
Wheeler Survey field notebook no. 16 (?) Image Read more about Wheeler Survey field notebook no. 16 (?)
