TY  - RPRT
TI  - Notes on use and maintenance of vertical pulverizers for geologic materials
AU  - John Moreland
AU  - Alfred Tennyson Myers
PY  - 1973
DO  - 10.3133/ofr73194
UR  - https://pubs.usgs.gov/publication/ofr73194
ID  - ofr73194
ER  -