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Geographic map of the southern Najd quadrangle, Kingdom of Saudi Arabia Geographic map of the southern Najd 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.
Geographic map of the Wadi As Sirhan quadrangle, Kingdom of Saudi Arabia Geographic map of the Wadi As Sirhan 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.
Geographic map of the western Rub Al Khali quadrangle, Kingdom of Saudi Arabia Geographic map of the western Rub Al Khali 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.
Geology of the Albany West quadrangle, Georgia Geology of the Albany West quadrangle, Georgia
The Albany West Quadrangle is near the east edge of the Dougherty Plain of southwestern Georgia, an area of karst topography. The Ocala limestone (uppoer Eocene) underlies the quadrangle and crops out along the Flint River and its tributaries and sinkholes. Sinkholes of two ages are developed in the limestone. A gravelly argillaceous sand of Pliocene(?) age is exposed in ditches near the...