Search results for: Johnson, David W. (David Winslow), 1940-
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1
1979 dwarf mistletoe loss assessment survey on national forest lands in Colorado
Authors: Johnson, David W. (David Winslow), 1940-
Published: Methods Application Group, Forest Pest Management, Forest Service, U.S.D.A., 1980Physical Description: 18 pages : 1 map ; 28 cm.Holdings: Loading…
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2
Tree hazards : recognition and reduction in recreation sites
Authors: Johnson, David W. (David Winslow), 1940-
Published: Forest Pest Management, State and Private Forestry, Rocky Mountain Region, USDA Forest Service, 1981Physical Description: 17 pages : illustrations (some color) ; 28 cm.Holdings: Loading…
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3
Comandra blister rust
Authors: Johnson, David W. (David Winslow), 1940-
Published: U.S. Department of Agriculture, Forest Service, 1986Physical Description: 8 pages : illustrations (color), 1 map ; 24 cm.Holdings: Loading…
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4
Cankers on western quaking aspen
Authors: Johnson, David W. (David Winslow), 1940-
Published: U.S. Department of Agriculture, Forest Service, 1995Physical Description: 8 pages : color illustrations ; 24 cm.Holdings: Loading…
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5
Biology and management of dwarf mistletoe in lodgepole pine in the Rocky Mountains
Authors: Hawksworth, Frank G., 1926-1993Other Authors: “…Johnson, David W. (David Winslow), 1940-…”
Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989
Physical Description: 38 pages : illustrations (some color), map ; 28 cm.Holdings: Loading…
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6
You can save your trees from dwarf mistletoe
Authors: Hawksworth, Frank G., 1926-1993Other Authors: “…Johnson, David W. (David Winslow), 1940-…”
Published: U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1993
Physical Description: 9 pages : illustrations ; 22 cm.Holdings: Loading…
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