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curtis d edgerton
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Peat Bog investigations in northeastern Pennsylvania / by Curtis D. Edgerton.
Curtis D. Edgerton · Pennsylvania. Bureau of Topographic and Geologic Survey
62 sayfa · 1969
Peat bogs -- Pennsylvania
Water utilization and conservation by petroleum refineries in California
Curtis D. Edgerton · U.S. Dept. of the Interior, Bureau of Mines
24 sayfa · 1965
Petroleum / Refining / Water consumption