GIS Data
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Structure-contour map of the Olive Hill Clay Bed in northeastern Kentucky
The gently dipping Olive Hill Clay Bed of Crider (1913) crops out in belt about 15 miles \vidc and 60 miles long from the Ohio River near Portsmouth, Ohio, south-southwesterly to Frenchburg, Ky. (see inset map).The purpose of the structure-contour map presented here is to aid exploration by showing the elevations at which the Olive Hill Clay Bed occurs. The strudure contours indicate the depths th
The Indian Ocean: The geology of its bordering lands and the configuration of its floor
The ocean realm, which covers more than 70 percent of the earth's surface, contains vast areas that have scarcely been touched by exploration. The best known parts of the sea floor lie close to the borders of the continents, where numerous soundings have been charted as an aid to navigation. Yet, within this part of the sea floor, which constitutes a border zone between the toast and the ocean dee
Aeromagnetic map of Norman and part of Mahnomen Counties, Minnesota
No abstract available.
Aeromagnetic map of part of the Cornwall quadrangle, Orange County, New York
No abstract available.
Aeromagnetic map of part of the Shin Pond quadrangle, Penobscot County, Maine
No abstract available.
Aeromagnetic map of parts of the Monroe and Maybrook quadrangles, Orange County, New York
No abstract available.
Aeromagnetic map of south central Fremont County, Wyoming
No abstract available.
Aeromagnetic map of the Bethel quadrangle, Fairfield County, Connecticut
No abstract available.
Aeromagnetic map of the Botsford quadrangle, Fairfield County, Connecticut
No abstract available.