TY - RPRT TI - Mineral resources of the Choteau 1° x 2° quadrangle, Montana AU - R.L. Earhart AU - M. R. Mudge AU - J. W. Whipple AU - J. J. Connor PY - 1981 DO - 10.3133/mf858a UR - https://pubs.usgs.gov/publication/mf858A ID - mf858A ER -