@misc{indiciae0cf7fc700b63, title = {Triangulation and primary traverse, 1916-1918. Triangulation and primary traverse in Oregon and Washington, 1916-1919}, author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey}, year = {1923}, doi = {10.3133/b709k}, url = {https://pubs.usgs.gov/publication/b709K}, note = {Source identifier: b709K} }