TY - BOOK ID - 136469337 TI - Results of spirit leveling in Minnesota, 1897 to 1914, inclusive AU - Marshall, R. B. AU - Geological Survey (U.S.) AU - Minnesota PY - 1915 PB - [Washington, D.C.] : Washington : Department of the Interior, United States Geological Survey, Government Printing Office. DB - UniCat KW - Leveling KW - Bench-marks KW - Minnesota KW - Minnesota. KW - Altitudes. UR - https://www.unicat.be/uniCat?func=search&query=sysid:136469337 AB - ER -