Wheeler Survey field notebook no. 485: triangulation observations Image Read more about Wheeler Survey field notebook no. 485: triangulation observations
Wheeler Survey field notebook no. 10: reconnaissance; surveys for military defenses Image Read more about Wheeler Survey field notebook no. 10: reconnaissance; surveys for military defenses
Wheeler Survey field notebook no. 67: triangulation; topographical records Image Read more about Wheeler Survey field notebook no. 67: triangulation; topographical records
Wheeler Survey field notebook no. 318: topographical records Image Read more about Wheeler Survey field notebook no. 318: topographical records
Wheeler Survey field notebook no. 47: meteorological records; comparison of barometers in Carson Image Read more about Wheeler Survey field notebook no. 47: meteorological records; comparison of barometers in Carson
Wheeler Survey field notebook no. 46: meteorological records Image Read more about Wheeler Survey field notebook no. 46: meteorological records
Wheeler Survey field notebook no. 45: meteorological records; comparison of barometers Image Read more about Wheeler Survey field notebook no. 45: meteorological records; comparison of barometers
Wheeler Survey field notebook: geodetic coordinates Image Read more about Wheeler Survey field notebook: geodetic coordinates
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. 263: computations of latitudes and departures of topographical meanders Image Read more about Wheeler Survey field notebook no. 263: computations of latitudes and departures of topographical meanders