TY - RPRT TI - Triangulation and primary traverse, 1916-1918. Primary traverse in South Carolina, 1917-1919 AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1923 DO - 10.3133/b709n UR - https://pubs.usgs.gov/publication/b709N ID - b709N ER -