000122231 000__ 01980cam\a2200337\\\4500
000122231 001__ 122231
000122231 005__ 20210513043238.0
000122231 008__ 740813s1974\\\\dcuab\\\\b\\\f000\0\engm\
000122231 010__ $$a74176050
000122231 035__ $$a(OCoLC)ocm00978861
000122231 035__ $$a122231
000122231 040__ $$aDLC$$beng$$cDLC$$dONB$$dBTCTA$$dOCLCG$$dAST$$dOCLCO$$dFMCGI
000122231 043__ $$an-us-co
000122231 049__ $$aISEA
000122231 05000 $$aTN24.C6$$bV36
000122231 050_4 $$aQE75$$b.P9 no.829
000122231 074__ $$a0624
000122231 08200 $$a557.88/47
000122231 086__ $$aI 19.16:829
000122231 1001_ $$aVan Alstine, Ralph Erskine,$$d1914-
000122231 24510 $$aGeology and mineral deposits of the Poncha Springs SE quadrangle, Chaffee County, Colorado,$$cby Ralph E. Van Alstine.
000122231 260__ $$aWashington,$$bU.S. Govt. Print. Off.,$$c1974.
000122231 300__ $$aiii, 19 p. :$$bill., map, 1 fold. col. map (in pocket) ;$$c29 cm.
000122231 4901_ $$aGeological Survey professional paper ;$$v829
000122231 500__ $$a"Work done in cooperation with the Colorado State Mining Industrial Development Board."
000122231 504__ $$aBibliography: p. 18-19.
000122231 50500 $$tAbstract --$$tIntroduction --$$tEarlier reports --$$tAcknowledgments --$$tSettlement and climate --$$tTerrain --$$tGeologic units --$$tPrecambrian rocks --$$tMetamorphic rocks --$$tBanded gneiss --$$tHornblende gneiss --$$tMetagabbro --$$tOrigin of the metamorphic rocks --$$tPegmatite --$$tTertiary rocks --$$tVolcanic rocks --$$tLower rhyolitic ash-flow tuff --$$tRhyodacite flow and tuff --$$tUpper rhyolitic ash-flow tuff --$$tDry Union Formation --$$tQuaternary deposits --$$tPleistocene deposits --$$tGravel --$$tHolocene deposits --$$tAlluvium --$$tFan alluvium --$$tLandslide debris --$$tStructural geology --$$tGeomorphology --$$tEconomic geology --$$tBase metals --$$tFluorspar --$$tGravel and sand --$$tManganese --$$tPegmatite minerals --$$tReferences cited.
000122231 650_0 $$aMines and mineral resources$$zColorado$$zChaffee Co.
000122231 650_0 $$aGeology$$zColorado$$zChaffee Co.
000122231 7101_ $$aColorado.$$bMining Industrial Development Board.
000122231 830_0 $$aGeological Survey professional paper ;$$v829.
000122231 85200 $$bgen$$hQE75$$i.P9$$ino.829
000122231 909CO $$ooai:library.usi.edu:122231$$pGLOBAL_SET
000122231 980__ $$aBIB
000122231 980__ $$aBOOK