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000226540 008__ 000121s1974\\\\dcuab\\\\b\\\f001\0\eng\\
000226540 010__ $$a   73600340
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000226540 040__ $$aDLC$$beng$$cDLC$$dBTCTA$$dOCLCG$$dAST$$dGBVCP$$dOCLCO$$dFMCGI
000226540 043__ $$an-us-co
000226540 049__ $$aISEA
000226540 05000 $$aQE92.H37$$bR62
000226540 050_4 $$aQE75$$b.P9 no.831-B
000226540 074__ $$a0624
000226540 08200 $$a557.88/45
000226540 0860_ $$aI 19.16:831-B
000226540 1001_ $$aRobinson, Charles Sherwood,$$d1920-
000226540 24510 $$aGeneral geology of the Harold D. Roberts Tunnel, Colorado /$$cby Charles S. Robinson, Lawrence A. Warner, and Ernest E. Wahlstrom.
000226540 260__ $$aWashington :$$bU.S. Govt. Print. Off.,$$c1974.
000226540 300__ $$aiv, 48 p. :$$bill. (1 fold. in pocket) ;$$c28 cm.
000226540 4901_ $$aEngineering geology of the Harold D. Roberts Tunnel, Colorado
000226540 4901_ $$aGeological Survey professional paper ;$$v831-B
000226540 500__ $$aIncludes index.
000226540 504__ $$aBibliography: p. 45-46.
000226540 50500 $$tAbstract --$$tIntroduction --$$tSummary of general geology --$$tPrecambrian rocks --$$tMetasedimentary rocks --$$tAmphibolite and related rocks --$$tMigmatite --$$tMicrocline gneiss --$$tBiotite gneiss and schist --$$tAmphibolite --$$tSillimanitic biotite gneiss and schist --$$tHornblende gneiss --$$tIgneous rocks --$$tBoulder Creek Granite --$$tSilver Plume Granite --$$tPegmatite and aplite --$$tRelative age and origin of the Precambrian rocks --$$tMetasedimentary rocks --$$tGranite --$$tPaleozoic and Mesozoic sedimentary rocks --$$tMaroon and Lykins Formations --$$tEntrada(?) Sandstone --$$tMorrison Formation --$$tDakota Group --$$tBenton Shale --$$tNiobrara Formation --$$tPierre Shale --$$tTertiary igneous rocks --$$tMontezuma Quartz Monzonite and associated aplitic rock --$$tQuartz monzonite --$$tAplitic rock --$$tDikes --$$tAugite and hornblende diorite --$$tLatite porphyry --$$tRhyolite porphyry --$$tAge --$$tSurficial deposits --$$tStructure --$$tPrecambrian structural features --$$tFolds --$$tFaults --$$tFrey Gulch shear zone --$$tMontezuma shear zone --$$tEast Portal shear zone --$$tIgneous rocks --$$tLaramide structural features --$$tFolds --$$tFaults --$$tJoints --$$tVeins and wallrock alteration --$$tSummary of structural geology --$$tReferences cited --$$tIndex.
000226540 650_0 $$aGeology$$zColorado$$zPark County.
000226540 650_0 $$aGeology$$zColorado$$zSummit County.
000226540 651_0 $$aHarold D. Roberts Tunnel (Colo.)
000226540 7001_ $$aWarner, Lawrence Allen,$$d1914-$$ejoint author.
000226540 7001_ $$aWahlstrom, Ernest E.$$q(Ernest Eugene),$$d1909-2000$$ejoint author.
000226540 830_0 $$aGeological Survey professional paper ;$$v831-B.
000226540 830_0 $$aEngineering geology of the Harold D. Roberts Tunnel, Colorado.
000226540 85200 $$bgen$$hQE75$$i.P9$$ino.831-B
000226540 909CO $$ooai:library.usi.edu:226540$$pGLOBAL_SET
000226540 980__ $$aBIB
000226540 980__ $$aBOOK