 | McQuilkin, William Everett, | (1) |
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 | McQuilkin, William Everett, 1902-; Tree planting in scrub oak areas after site preparation with heavy equipment / by William E. McQuilkin and Eugene F. McNamara. Upper Darby, Pa. : Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1967. | |
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