TY  - RPRT
TI  - Chrome ores of southeastern Pennsylvania and Maryland. Deposits of chrome ore in North Carolina
AU  - E. B. Knopf
AU  - J. V. Lewis
PY  - 1922
DO  - 10.3133/b725b
UR  - https://pubs.usgs.gov/publication/b725B
ID  - b725B
ER  -