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frank m swartz

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Cilt sonuçları

GeologyTrenton and sub-Trenton of outcrop areas in New York, Pennsylvania and MarylandFrank M. Swartz

Trenton and sub-Trenton of outcrop areas in New York, Pennsylvania and Maryland

Frank M. Swartz · Topographic and Geologic Survey

1595 sayfa · 1948

Stratigraphic Geology / Geology

GeologyGuide to the Horse Shoe Curve section between Altoona and Gallitzin, central PennsylvaniaFrank M. Swartz

Guide to the Horse Shoe Curve section between Altoona and Gallitzin, central Pennsylvania

Frank M. Swartz · Yayınevi bilinmiyor

56 sayfa · 1965

Geology

PaleontologyThe Helderberg group from central Pennsylvania to southwestern VirginiaFrank M. Swartz

The Helderberg group from central Pennsylvania to southwestern Virginia

Frank M. Swartz · State College, Pa., School of mineral industries

14 sayfa · 1929

Paleontology

Stratigraphic GeologySubsurface projection of Cambro-Ordovician sediments in the Pennsylvania-New York regionFrank M. Swartz

Subsurface projection of Cambro-Ordovician sediments in the Pennsylvania-New York region

Frank M. Swartz · Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey

18 sayfa · 1950

Geology / Geology, Stratigraphic / Stratigraphic Geology

Stratigraphic GeologyThe Helderberg Group of parts of West Virginia and VirginiaFrank M. Swartz

The Helderberg Group of parts of West Virginia and Virginia

Frank M. Swartz · U.S. Govt. Print. Off.

75 sayfa · 1929

Geology, Stratigraphic / Limestone / Paleontology / Sediments (Geology) / Stratigraphic Geology