TY  - RPRT
TI  - Triangulation and primary traverse, 1916-1918. Triangulation in Arizona, California, and Nevada, 1915-1919
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1923
DO  - 10.3133/b709m
UR  - https://pubs.usgs.gov/publication/b709M
ID  - b709M
ER  -