02298oam 2200589 450 991070715360332120160610072821.0(CKB)5470000002461962(OCoLC)891382900(EXLCZ)99547000000246196220140926d1967 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierDebris flow and erosion control problems caused by the ash eruptions of Irazú Volcano, Costa Rica /by Howard H. Waldron[Washington, D.C.] :United States Department of the Interior, Geological Survey,1967.Washington :United States Government Printing Office.1 online resource (iv, 37 pages, 1 page of plates) illustrations, mapsGeological Survey bulletin ;1241-IContributions to general geology.Title from title screen (viewed September 15, 2014)."Prepared in cooperation with the Oficina de Defensa Civil and Oficina de Planificación de Costa Rica under the auspices of the Agency for International Development, U.S. Department of State."Includes bibliographical references (pages 35-37).VolcanoesCosta RicaErosionCosta RicaVolcanic ash, tuff, etcCosta RicaErosionfastVolcanic ash, tuff, etcfastVolcanoesfastCosta RicafastVolcanoesErosionVolcanic ash, tuff, etc.Erosion.Volcanic ash, tuff, etc.Volcanoes.Waldron Howard H(Howard Hamilton),1917-1396939Geological Survey (U.S.),Costa Rica.Oficina de Defensa Civil,Costa Rica.Oficina de Planificación,United States.Agency for International Development,COPCOPOCLCOOCLCFGPOBOOK9910707153603321Debris flow and erosion control problems caused by the ash eruptions of Irazú Volcano, Costa Rica3457907UNINA