Trees. Elm Plan to save trees from Dutch elm disease called illegal. RMN F 16, 1972 p.18 Spraying of elm trees could keep losses to Dutch elm disease below 1%. RMN F 22, 1972 p.46 1971 losses to Dutch Elm Disease set at 3,000. Trees for Today and Tomorrow (TTT) combats the growing problem. Post F 27, 1972 p.1G Map shows density of elms in Denver. Post Mr 23, 1972 p.23 Action to save elms on capitol grounds and governor's mansion to begin. RMN Jy 1, 1972 p.20
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