 | Snellgrove, Thomas A. cn | (1) |
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 | Snellgrove, Thomas A. cn; An improved system for estimating the value of western white pine / Thomas A. Snellgrove, Marlin E. Plank, Paul H. Lane. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973. | |
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