RUTILE IN PRECAMBRIAN SILLIMANITE-QUARTZ GNEISS AND RELATED ROCKS, EAST-CENTRAL FRONT RANGE, COLORADO.MARSH SP; SHERIDAN DM.1976; GEOL. SURV. U.S.A., PROF. PAPER; U.S.A.; DA. 1976; NO 959G; PP. 1-17; BIBL. 1 P.; 12 ILL.Serial Issue

GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT JEFFERSON COUNTY,COLORADO.SHERIDAN DM; MAXWELL CH; ALBEE AL et al.1967; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1967, NUM. 0520, P. 1 A 121Miscellaneous

GEOLOGY AND URANIUM DEPOSITS OF THE RALSTON BUTTES DISTRICT JEFFERSON COUNTY,COLORADO.SHERIDAN DM; MAXWELL CH; ALBEE AL et al.1967; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1967, NUM. 0520, P. 1 A 121Miscellaneous

WAGNERITE FROM SANTA FE MOUNTAIN, COLORADO - A NEW OCCURRENCE.SHERIDAN DM; MARSH SP; MROSE ME et al.1971; CANAD. MINERALOGIST; CAN; 1971, VOL. 10, NUM. 0005, P. 919Miscellaneous