'Notes on Western Range Forbes; Equistaceae through Fumariaceae; Agriculture Handbook 161, U.S. Dept. of Agriculture' by William A. Dayton for the Forest Service U.S. Department of Agriculture. Published in 1960 by U.S. Government Printing Office, Washington D.C. A handbook of annotated notes on plants with illustrations. Hardback. Some discolouration, but otherwise in good condition.

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