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521.
522.
Gold in meteorites and in the earth's crust, by Robert S. Jones. by Series: Geological Survey circular ; 603.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, 1968
Availability: No items available.

523.
Lead, zinc, and silver deposits at Bowser Creek, McGrath A-2 quadrangle, Alaska, by Bruce L. Reed and Raymond L. Elliott. by Series: Geological Survey circular ; 559.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, 1968
Availability: No items available.

524.
An atomic-absorption method for the determination of gold in large samples of geologic materials, by Gordon H. VanSickle and Hubert W. Lakin. by Series: Geological Survey circular ; 561.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [U.S. Govt. Print. Off.] 1968
Availability: No items available.

525.
A compilation of surface water quality data in Alabama, by James R. Avrett. by Series: Circular (Geological Survey of Alabama) ; 36.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: University, Ala., 1966
Availability: No items available.

526.
Reconnaissance of the ground water and geology of Thomas County, Georgia, by C. W. Sever. by Series: Information circular (Georgia. Department of Mines, Mining and Geology) ; 34.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Atlanta, 1966
Availability: No items available.

527.
Sand and gravel on the continental shelf off the northeastern United States, by John Schlee. by Series: Geological Survey circular ; 602. | Contribution ... from the Woods Hole Oceanographic Institution ; no. 2173.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, 1968
Availability: No items available.

528.
529.
530.
531.
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533.
Gold distribution on the sea floor off the Klamath Mountains, California, by George W. Moore and Eli A. Silver. by Series: Geological Survey circular ; 605.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [U.S. Geological Survey] 1968
Availability: No items available.

534.
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536.
Asbestos occurrence in the Eagle C-4 quadrangle, Alaska, by Helen L. Foster. by Series: Geological Survey circular ; 611.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [U.S. Geological Survey] 1969
Availability: No items available.

537.
Scientific or rule-of-thumb techniques of ground-water management: which will prevail? by C. L. McGuinness. by Series: Geological Survey circular ; 608.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington [U.S. Geological Survey] 1969
Availability: No items available.

538.
Estimated use of water in the United States, 1965, by C. Richard Murray. by Series: Geological Survey circular ; 556.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Washington, 1968
Availability: No items available.

539.
540.
Statistics of public school systems in 101 of the most rural counties, 1955-56 / prepared under the direction of Walter H. Gaummitz. by Series: Circular (United States. Office of Education) ; no. 529
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: [Washington] : U.S. Department of Health, Education, and Welfare, 1958
Availability: No items available.

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