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Geographic map of the Southern Hijaz quadrangle, Kingdom of Saudi Arabia Geographic map of the Southern Hijaz quadrangle, Kingdom of Saudi Arabia

Prepared by the U.S. Geological Survey and the Arabian American Oil Company under the joint sponsorship of the Kingdom of Saudi Arabia and the U.S. Department of State. The revisions to this map are principally the revisions to roads and the additions of new place names as of May 1968.

Geologic map of Oregon Geologic map of Oregon

No abstract available.

Geologic map of the Myrtle Point area, Coos County, Oregon Geologic map of the Myrtle Point area, Coos County, Oregon

The mapped area lies in theo southern end of the Coos Bay coal field. Coal occurs onle in the upper and lower members of the Coaledo Formation. Nearly all the coal mined in the Coos Bay coal field was from the upper member of the Coaledo Formation. In the mapped area, most of this member has been eroded; only a few hundred feed of the basal strata remains. Allen and Baldwin (1944, p. 131...
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