Author:
REES (Orin Vainwright)
Description
REES (Orin Vainwright) and ELVIG (V. i.)
Determination of ash in coals unusually hi-i in calcite and pyrite. By O.*. Rees and
Vi.A. Selvig, etc.
Urbana, 1942.
See 1i.LiNOIS, State of. _ppartment of
Registration and Education.
Division of State Geo1o4cal
Survey. LReort of
investigations, No. 81.]
Card ID:
375