TY  - RPRT
TI  - Computer program designed to draw bar graphs from oil shale, Fischer assay or saline mineral data
AU  - George VanTrump
AU  - Janet K. Pitman
PY  - 1975
DO  - 10.3133/ofr75341
UR  - https://pubs.usgs.gov/publication/ofr75341
ID  - ofr75341
ER  -