TREES. ELM Denver is winning war against Dutch elm disease. RMN Ap 19, 1982 p.9 Denver city forester Ray Howe says disease battle nearly won in Colorado. RMN Ap 18, 1984 p.16 Tree experts fear street widening on University Blvd. imperils stately elms, despite precautions. RMN Jy 3, 1984 p.6 State foresters worry about Elm disease. 1M Jy 18, 1987 p.46
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