To view and download the official document:

Tree Decay
An Expanded Concept  p1-73 [NTB 119]

Inside cover
Watercolor illustrations by David M. Carroll
Warner, New Hampshire

Figure 1

For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402

Stock Number 001-000-03937-7

Pages 1-21

Pages 22-41

Pages 42-61

Pages 62-73 (including rear covers)

Please report web site problems to John A. Keslick, Jr. 
Also this dictionary may help you