TY  - RPRT
TI  - Mica deposits of the southeastern Piedmont, Part 3, Ridgeway-Sandy Ridge district, Virginia and North Carolina; Part 4, Outlying deposits in Virginia
AU  - W. R. Griffitts
AU  - R. H. Jahns
AU  - R. W. Lemke
PY  - 1953
DO  - 10.3133/pp248c
UR  - https://pubs.usgs.gov/publication/pp248C
ID  - pp248C
ER  -