000200520 000__ 01405mam\a22003255a\4500
000200520 001__ 200520
000200520 005__ 20220217103934.0
000200520 008__ 920826s1991\\\\cou\\\\\b\\\\f000\0\eng\d
000200520 035__ $$a(OCoLC)ocm26486516
000200520 035__ $$9AAX0437SI
000200520 035__ $$a200520
000200520 040__ $$aGPO$$cGPO
000200520 049__ $$aISEA
000200520 074__ $$a0624-H (MF)
000200520 0860_ $$aI 19.76:91-330
000200520 1001_ $$aPollastro, Richard M.
000200520 24510 $$aAcid-insoluble residue/carbonate content of the Upper Cretaceous Niobrara Formation, Berthoud field, Denver basin, Colorado$$h[microform] :$$ba key factor for understanding natural fracturing in chalks? /$$cby Richard M. Pollastro.
000200520 260__ $$a[Denver CO] :$$bDept. of the Interior, U.S. Geological Survey :$$b[Books and Open-File Reports Section, distributor,$$c1991]
000200520 300__ $$a1 v.
000200520 4901_ $$aOpen-file report ;$$v91-330
000200520 500__ $$aDistributed to depository libraries in microfiche.
000200520 504__ $$aShipping list no.: 92-1200-M.
000200520 533__ $$aMicrofiche.$$b[Denver, Colo. :$$cU.S. Geological Survey,$$d1991]$$e1 microfiche.
000200520 650_0 $$aGeology, Stratigraphic$$yCretaceous.
000200520 650_0 $$aFormations (Geology)$$zColorado.
000200520 650_0 $$aCarbonates.
000200520 7102_ $$aGeological Survey (U.S.)
000200520 7400_ $$aAcid insoluble residue carbonate content of the Upper Cretaceous Niobrara Formation, Berthoud field, Denver basin, Colorado.
000200520 830_0 $$aU.S. Geological Survey open-file report ;$$v91-330.
000200520 85230 $$bdfich$$hI 19.76:$$i91-330
000200520 909CO $$ooai:library.usi.edu:200520$$pGLOBAL_SET
000200520 948__ $$ac:jf
000200520 980__ $$aBIB
000200520 980__ $$aGOV RESOURCE