[Silver maple (Acer dasycarpum), Red Swamp maple (Acer rubrum) seeds for planting] : [letter, dated June 1, 1931, and addressed to the U. S. Department of Agriculture, Washington, D.C.]
Germantown, Phila., Pa, Conyers B. Fleu, Jr, 1931
1931
U.S. Department of Agriculture, National Agricultural Library
U.S. Department of Agriculture, National Agricultural Library
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