@misc{indiciaef764dc67cca9, title = {Triangulation and primary traverse, 1916-1918. Triangulation and primary traverse in Texas, 1919-1920}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1923}, doi = {10.3133/b709q}, url = {https://pubs.usgs.gov/publication/b709Q}, note = {Source identifier: b709Q} }