TY - RPRT TI - Chemical analyses of Precambrian rocks from St. Lawrence County, New York, made by the U.S. Geological Survey, 1963 through 1972 AU - C. Ervin Brown PY - 1980 DO - 10.3133/ofr80664 UR - https://pubs.usgs.gov/publication/ofr80664 ID - ofr80664 ER -