02119oam 2200481 450 991070735990332120160718154325.0(CKB)5470000002463918(OCoLC)891382732(EXLCZ)99547000000246391820140926d1971 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierCretaceous and lower Tertiary stratigraphy of the Gurabo and El Yunque quadrangles, Puerto Rico a description of the largely marine-deposited volcaniclastic rocks and subordinate lava flows and pelagic mudstones that underlie this part of eastern Puerto Rico /by Victor M. Seiders[Washington, D.C.] :United States Department of the Interior, Geological Survey,1971.Washington :United States Government Printing Office.1 online resource (iv, 58 pages, 1 page of plates) mapsGeological Survey bulletin ;1294-FContributions to stratigraphyTitle from title screen (viewed September 15, 2014)."Prepared in cooperation with the Commonwealth of Puerto Rico Economic Development Administration, Industrial Research Department."Includes bibliographical references (pages 52-53) and index.Cretaceous and lower Tertiary stratigraphy of the Gurabo and El Yunque quadrangles, Puerto Rico GeologyPuerto RicoGeology, StratigraphicCretaceousGeology, StratigraphicTertiaryGeologyGeology, StratigraphicGeology, StratigraphicSeiders Victor M.1389466Geological Survey (U.S.),Puerto Rico.Department of Industrial Research,COPCOPOCLCOGPOBOOK9910707359903321Cretaceous and lower Tertiary stratigraphy of the Gurabo and El Yunque quadrangles, Puerto Rico3538515UNINA