Spruce Budworm Defoliation in Minnesota: 1954-1977

Glen W. Erickson; Arthur Hastings

Treesearch

Spruce Budworm Defoliation in Minnesota: 1954-1977

Informally Refereed

Authors:

Glen W. Erickson, Arthur Hastings

Year:

1978

Type:

Research Note

Station:

Northern Research Station

Source:

Research Note NC-243. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

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Download (PDF 512 KB): https://research.fs.usda.gov/download/treesearch/11421.pdf

Abstract

A series of maps showing spruce budworm defoliation in Minnesota, 1954-1977

Keywords

Insect outbreaks, maps, history

Citation

Erickson, Glen W.; Hastings, Arthur. 1978. Spruce Budworm Defoliation in Minnesota: 1954-1977. Research Note NC-243. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station