TY  - RPRT
TI  - Triangulation and primary traverse, 1916-1918. Triangulation and primary traverse in Kentucky and Tennessee, 1916-1918, including spirit leveling in Camp Knox Military Reservation, Kentucky
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1923
DO  - 10.3133/b709h
UR  - https://pubs.usgs.gov/publication/b709H
ID  - b709H
ER  -