An analysis of Iowa's forest resources, 1990.
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Resource Bulletin NC-142. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
The third Iowa forest inventory found 2.1 million acres of forest land in 1990, of which 1.9 million acres is timberland. Growing-stock volume on timberland increased from 1.1 to 1.7 billion cubic feet between 1974 and 1990, a gain of 46%. Presents analysis and statistics on forest area, timber volume, growth, removals, mortality, and projections.
Leatherberry, Earl C.; Roussopoulos, Sue M.; Spencer, John S. Jr. 1992. An analysis of Iowa''s forest resources, 1990. Resource Bulletin NC-142. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station https://doi.org/10.2737/NC-RB-142.