Photo interpretation of the terrain along the southern part of the Alaska Highway : An application of the combined knowledge and techniques of botany and geology to the phot interpretation of terrain in northern regions /

Folded plates, maps, and table in pocket.

Some structural features of the northern anthracite coal basin, Pennsylvania /

1 folded map in back pocket.

The Martinsburg formation (Middle and Upper Ordovician) in the Delaware Valley, Pennsylvania-New Jersey /

Prepared in cooperation with the Pennsylvania Geological Survey.

Stratigraphy of the bituminous coal field of Pennsylvania, Ohio and West Virginia,

Mode of access: Internet.

A brief bibliography of economic geology ...

Caption-title.

Transactions of the Geological Society of Pennsylvania.

Includes index.

Interpretation of geologic maps and aerial photographs

Bibliography: p. 99.

An account of travels into the interior of southern Africa, in the years 1797 and 1798: : including cursory observations on the geology and geography of the southern part of that continent; the natural history of such objects as occurred in the animal, vegetable, and mineral kingdoms; and sketches on the physical and moral characters of the various tribes of inhabitants surrounding the settlement of the Cape of Good Hope. : To which is annexed, a description of the present state, population and produce of that extensive colony; with a map, constructed entirely from actual observations, made in the course of the travels. /

Publisher's advertisement, p. [387].

Annual report - Pennsylvania State Geologist.

Atlases accompany 1885; 1886, pt. 3-4.

Geology,

Some plates have illustrations on both sides.

Preliminary report on Cape Nome gold region, Alaska, with maps and illustrations [microform].

On geology, resources, and population; with summary data on distances and rations.

The Conterminous United States Mineral-Resource Assessment Program : background information to accompany folio of geologic and mineral-resource maps of the Rolla 1⁰ x 2⁰ quadrangle, Missouri /

Mode of access: Internet.

The nature and timing of tectonism in the western facies terrane of Nevada and California : an outline of evidence and interpretations derived from geologic maps of key areas /

Mode of access: Internet.

Geologic and water-supply reports and maps : New York.

Mode of access: Internet.

Geologic and water-supply reports and maps : Virginia.

Mode of access: Internet.