GEOLOGIC MAP OF THE PUNTA GUAYANES QUADRANGLE, SOUTHEASTERN PUERTO RICO. SCALE 1:20000.ROGERS CL.1977; U.S. GEOL. SURV., MISC. INVEST. SER.; U.S.A.; DA. 1977; NO 1998; PP. 1; 1 CART.Serial Issue

GEOLOGIC MAP OF THE OAK SPRING BUTTE QUADRANGLE NYE COUNTY NEVADA.ROGERS CL; NOBLE DC.1969; U.S. GEOL. SURV., GEOL. QUADRANGLE MAPS; USA; 1969, NUM. 0822Miscellaneous

GEOLOGY OF NORTHERN NELLIS AIR FORCE BASE BOMBING AND GUNNERY RANGE, NYE COUNTY, NEVADAEKREN EB; ANDERSON RE; ROGERS CL et al.1971; GEOL. SURV. U.S.A., PROF. PAPER; U.S.A. ; 1971, NUM. 0651, P. 1 A 91Serial Issue

GEOLOGY OF NORTHERN NELLIS AIR FORCE BASE BOMBING AND GUNNERY RANGE, NYE COUNTY, NEVADAEKREN EB; ANDERSON RE; ROGERS CL et al.1971; GEOL. SURV. U.S.A., PROF. PAPER; U.S.A. ; 1971, NUM. 0651, P. 1 A 91Serial Issue

POTASSIUM-ARGON GEOCHRONOLOGY OF SOME METAMORPHIC, IGNEOUS AND HYDROTHERMAL EVENTS IN PUERTO RICO AND THE VIRGIN ISLANDS.COX DP; MARVIN RF; M'GONIGLE JW et al.1977; J. RES. U.S. GEOL. SURV.; U.S.A.; DA. 1977; VOL. 5; NO 6; PP. 689-703; BIBL. 44 REF.; 5 ILL.Article

GEOLOGIC MAP OF THE YABUCOA AND PUNTA TUNA QUADRANGLES, PUENTO RICO. SCALE 1:20000ROGERS CL; CRAM CM; PEASE MH JR et al.1979; U.S. GEOL. SURV., MISC. INVEST. SER.; USA; DA. 1979; I-1086; 1 P.Serial Issue