MAP SHOWING LANDSLIDES AND AREAS OF SUSCEPTIBILITY TO LANDSLIDING IN PUERTO RICO. SCALE 1240000MONROE WH.1979; U.S. GEOL. SURV., MISC. INVEST. SER.; USA; DA. 1979; I-1148; 1 P.; H.T. 1; BIBL. 21 REF.Serial Issue

HIGH-LEVEL QUATERNARY BEACH DEPOSITS IN NORTHWESTERN PUERTO RICO.MONROE WH.1968; GEOL. SURV. U.S.A., PROF. PAPER; USA; 1968, P. 140 A 143Miscellaneous

THE KARST FEATURES OF NORTHERN PUERTO RICO.MONROE WH.1968; BULL. NATION. SPELEOL. SOC; USA; 1968, VOL. 30, NUM. 0003, P. 75 A 86Miscellaneous

REPLACEMENT OF LIMESTONE BY CLAY.MONROE WH.1974; SERV. DOCUMENT. CARTOGR. GEOGR., MEM. DOCUM.; FR.; 1974, VOL. 15, P. 39 A 47Serial Issue

A GLOSSARY OF KARST TERMINOLOGY.MONROE WH.1970; GEOL. SURV. U.S.A., WAT. SUPPLY PAPER; USA; 1970, NUM. 1899Miscellaneous

GEOLOGIC MAP OF THE MOCA AND ISABELA QUADRANGLES PUERTO RICO.MONROE WH.1969; U.S. GEOL. SURV., MISC. GEOL. INVEST. MAP; USA; 1969Miscellaneous

GEOLOGY OF THE MIDDLE TERTIARY FORMATIONS OF PUERTO RICOMONROE WH.1980; GEOL. SURV. U.S.A., PROF. PAPER; USA; DA. 1980; NO 953; 93 P.; H.T. 1; BIBL. 4 P.; 50 ILL.; 1 CART.; 36 ANAL.Serial Issue

SOME TROPICAL LANDFORMS OF PUERTO RICO = QUELQUES FORMES DE RELIEF TROPICAL DE PORTO RICOMONROE WH.1980; GEOL. SURV. U.S.A., PROF. PAPER; USA; DA. 1980; NO 1159; 39 P.; H.T. 1; BIBL. 2 P.; 1 TAB. ; CART. GEOMORPHOL.; ECH. 1:240 000; TABL./ESQUISSE/ESQUISSE GEOL./ILL.Serial Issue

A GLOSSARY OF KARST TERMINOLOGY.MONROE WH.1970; GEOL. SURV. U.S.A., WAT. SUPPLY PAPER; USA; 1970, NUM. 1899Miscellaneous

CAVES AND CANYONS IN THE KARST BELT OF NORTHERN PUERTO RICOMONROE WH.1979; Z. GEOMORPHOL., SUPPL.-BAND; DEU; DA. 1979; NO 32; PP. 21-24; ABS. FRE/GER/SPA; BIBL. 5 REF.; 2 ILL.Article

GEOLOGIC MAP OF THE CAROLINA QUADRANGLE, PUERTO RICO. SCALE 1:20000.MONROE WH.1977; U.S. GEOL. SURV., MISC. INVEST. SER.; U.S.A.; DA. 1977; NO I-1054; PP. 1; 1 CART.Serial Issue

DENDRITIC DRY VALLEYS IN THE CONE KARST OF PUERTO RICO.MONROE WH.1974; J. RES. U.S. GEOL. SURV.; USA; 1974, VOL. 2, NUM. 0002, P. 159 A 163Serial Issue

LANDFORMS DISPLAYED ON TOPOGRAPHIC MAPS OF PUERTO RICOMONROE WH.1973; J. GEOL. EDUC.; U.S.A. ; 1973, VOL. 21, NUM. 0003, P. 105 A 108Serial Issue

GEOLOGIC MAP OF THE AGUADILLA QUADRANGLE, PUERTO RICO.MONROE WH.1969; U.S. GEOL. SURV., MISC. GEOL. INVEST. MAP; USA; 1969Miscellaneous

THE AGUADA LIMESTONE OF NORTHWESTERN PUERTO RICO.MONROE WH.1968; GEOL. SURV. U.S.A., BULL.; USA; 1968, NUM. 1274-00G , P. 1 A 5Miscellaneous

ORIGIN OF KARST DEPRESSIONS IN NORTHERN PUERTO RICO.MONROE WH.sdIN: 12. INT. CONGR. INT. ASSOC. HYDROGEOL. KARST HYDROGEOL. ABSTR. PROGRAM; HUNTSVILLE, GULF SHORES; 1975; S.L. GEOL. SURV. ALABAMA; MEME DOC. FR,1975, P. 65Miscellaneous

GEOLOGIC MAP OF THE PENUELAS AND PUNTA CUCHARA QUADRANGLES, PUERTO RICOKRUSHENSKY RD; MONROE WH.1978; U.S. GEOL. SURV., MISC. INVEST. SER.; USA; DA. 1978; 1042; 1 P.; BIBL. 21 REF.; 1 CART.Serial Issue

GEOLOGIC MAP OF THE PONCE QUADRANGLE, PUERTO RICO. SCALE 1:20000.KRUSHENSKY RD; MONROE WH.1975; U.S. GEOL. SURV., MISC. GEOL. INVEST. MAP; U.S.A.; 1975, NUM. 0001, P. 1Map

GEOLOGIC MAP OF THE SAN JUAN QUADRANGLE, PUERTO RICO. SCALE 1:20000.PEASE MH JR; MONROE WH.1977; U.S. GEOL. SURV., MISC. INVEST. SER.; U.S.A.; DA. 1977; NO I-1010; PP. 1; 1 CART.Serial Issue

GEOPHYSICAL STUDY OF ANTILLES OUTER RIDGE, PUERTO RICO TRENCH, AND NORTHEAST MARGIN OF CARIBBEAN SEA.MONROE WH; CHASE RL; BUNCE ET et al.1975; AMER. ASS. PETROLEUM GEOLOGISTS BULL.; U.S.A.; 1975, VOL. 59, NUM. 0012, P. 2322 A 2324Serial Issue

STRATIGRAPHY AND PETROLEUM POSSIBILITIES OF MIDDLE TERTIARY ROCKS IN PUERTO RICO: DISCUSSION. REPLY.MOUSSA MT; SEIGLIE GA; MEYERHOFF HA et al.1975; AMER. ASS. PETROLEUM GEOLOGISTS BULL.; USA; 1975, VOL. 59, NUM. 0001, P. 163 A 175Serial Issue