Yazar

Davis M Lapham

13 cilt bulundu.

Cilt sonuçları

Coal mines and mining -- PennsylvaniaMineralogy associated with burning anthracite deposits of eastern Pennsylvania / by Davis M. Lapham and John H. Barnes, Pennsylvania Geological Survey, Wayne F. Downey, Jr., R.E. Wright Associates, Inc. [and] Robert B. Finkelman, U.S. Geological SurveyDavis M. Lapham

Mineralogy associated with burning anthracite deposits of eastern Pennsylvania / by Davis M. Lapham and John H. Barnes, Pennsylvania Geological Survey, Wayne F. Downey, Jr., R.E. Wright Associates, Inc. [and] Robert B. Finkelman, U.S. Geological Survey

Davis M. Lapham · Pennsylvania Bureau of Topographic and Geologic Survey

90 sayfa · 1980

Coal mines and mining -- Pennsylvania

Geology -- Pennsylvania -- Erie CountyInterpretation of K-Ar and Rb-Sr isotopic dates from a Precambrian basement core, Erie County, Pennsylvania / by Davis M. LaphamDavis M. Lapham

Interpretation of K-Ar and Rb-Sr isotopic dates from a Precambrian basement core, Erie County, Pennsylvania / by Davis M. Lapham

Davis M. Lapham · Pennsylvania Bureau of Topographic and Geologic Survey

34 sayfa · 1975

Geology -- Pennsylvania -- Erie County

Geology, Stratigraphic -- Triassic -- Pennsylvania -- CornwallGeology and origin of the Triassic magnetite deposit and diabase at Cornwall, Pennsylvania / by Davis M. Lapham and Carlyle GrayDavis M. Lapham

Geology and origin of the Triassic magnetite deposit and diabase at Cornwall, Pennsylvania / by Davis M. Lapham and Carlyle Gray

Davis M. Lapham · Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey

396 sayfa · 1973

Geology, Stratigraphic -- Triassic -- Pennsylvania -- Cornwall

Petrology -- PennsylvaniaChemical analyses of three Triassic(?) diabase dikes in Pennsylvania / by Davis M. Lapham and Timothy E. SaylorDavis M. Lapham

Chemical analyses of three Triassic(?) diabase dikes in Pennsylvania / by Davis M. Lapham and Timothy E. Saylor

Davis M. Lapham · Pennsylvania. Bureau of Topographic and Geologic Survey

26 sayfa · 1970

Petrology -- Pennsylvania

CiltMineral Collecting in PennsylvaniaDavis M. Lapham

Mineral Collecting in Pennsylvania

Davis M. Lapham · Commonwealth of Pennsylvania

158 sayfa · 1965

Kategori yok

Stratigraphic GeologyGeology and origin of the triassic magnetite deposit and diabase at Cornwall, PennsylvaniaDavis M. Lapham

Geology and origin of the triassic magnetite deposit and diabase at Cornwall, Pennsylvania

Davis M. Lapham · Pennsylvania Geological Survey

343 sayfa · 1973

Diabase / Geology / Magnetite / Mines and mineral resources / Stratigraphic Geology

Stratigraphic GeologyChemical analyses of three Triassic(?) diabase dikes in PennsylvaniaDavis M. Lapham

Chemical analyses of three Triassic(?) diabase dikes in Pennsylvania

Davis M. Lapham · Yayınevi bilinmiyor

16 sayfa · 1970

Diabase / Dikes (Geology) / Stratigraphic Geology

Stratigraphic GeologyInterpretation of K-Ar and Rb-Sr isotopic dates from a Precambrian basement core, Erie County, PennsylvaniaDavis M. Lapham

Interpretation of K-Ar and Rb-Sr isotopic dates from a Precambrian basement core, Erie County, Pennsylvania

Davis M. Lapham · Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey

26 sayfa · 1975

Geology / Potassium-argon dating / Rubidium-strontium dating / Stratigraphic Geology

Radioactive datingSummary of isotopic age determinations in PennsylvaniaDavis M. Lapham

Summary of isotopic age determinations in Pennsylvania

Davis M. Lapham · Yayınevi bilinmiyor

29 sayfa · 1971

Geology / Radioactive dating

BiographyCommon rocks and minerals of PennsylvaniaDavis M Lapham

Common rocks and minerals of Pennsylvania

Davis M Lapham · Dept. of Internal Affairs, Topographic and Geologic Survey

22 sayfa · 1962

Petrology / Mineralogy / History / Presidents / Biography

CiltThe nature of chromium chloriteDavis M. Lapham

The nature of chromium chlorite

Davis M. Lapham · D.M. Lapham

107 sayfa · 1957

Kategori yok

Coal mine wasteMineralogy associated with burning anthracite deposits of eastern PennsylvaniaDavis M. Lapham

Mineralogy associated with burning anthracite deposits of eastern Pennsylvania

Davis M. Lapham · Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey

82 sayfa · 1980

Mineralogy / Anthracite coal / Coal mine waste

Geology -- PennsylvaniaSummary of isotopic age determinations in Pennsylvania by D.M. Lapham and S.I. Root.Davis M. Lapham

Summary of isotopic age determinations in Pennsylvania by D.M. Lapham and S.I. Root.

Davis M. Lapham · Pennsylvania Bureau of Topographic and Geologic Survey

38 sayfa · 1971

Geology -- Pennsylvania