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Myers, Clifford A., Carleton B. Edminster, and Frank G.Hawksworth. 1976. SWYLD2: Yield tables for even-aged and two-storied stands of southwestern ponderosa pine, including effects of dwarf mistletoe. USDA For. Serv. Res. Pap. RM-163, 25 p. Rocky Mt. For. and Range Exp. Stn., Fort Collins, Colo. 80521. Presents a procedure for computation of yield tables for ponderosa pines in Arizona and New Mexico. Possible alternatives include: even-aged or two-storied stands, healthy or diseased stands, and managed or unmanaged stand densities. Stand conditions and severity of dwarf mistletoe infestation change with time and in response to intermediate cuttings. Supersedes SWYLD, published in 1972 as USDA For. Serv. Res. Pap. RM-87. A concise user's guide for program SWYLD2 is available as USDA For. Serv. Gen. Tech. Rep. RM-23, 1976.

SWYLD2, yield tables for even-aged and two-storied stands of southwestern ponderosa pine, including effects of dwarf mistletoe