Citation: Ph. Cochran et Wg. Dahms, Growth of lodgepole pine thinned to various densities on two sites with differing productivities in central Oregon, USDA FS PNW, (520), 2000, pp. 1
Citation: Ph. Cochran et Kw. Seidel, Growth and yield of western larch under controlled levels of stocking in the Blue Mountains of Oregon., USDA FS PNW, (517), 1999, pp. 1
Citation: Ph. Cochran et Jw. Barrett, Thirty-five-year growth of ponderosa pine saplings in response to thinningand understory removal., USDA FS PNW, (512), 1999, pp. 1
Citation: Ph. Cochran et Jw. Barrett, Growth of ponderosa pine thinned to different stocking levels in central Oregon: 30-year results., USDA FS PNW, (508), 1999, pp. 1