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| - old, silver, and other resources in the ash of incinerated sewage sludge at Palo Alto, California; a preliminary report: Dept. of the Interior, Geological Survey, Circular 784, iii, 7 p. ;26 cm., Gutentag, Edwin D.; Lobmeyer, D.H.; Slagle, Steven E., 1978, Map showing saturated thickness of unconsolidated aquifer, southwestern Kansas, January 1975: Open-File Report 78-80, 1 map., Haas, John L., 19
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