[Issued with perforations for insertion in binder. The previous edition of this publication was entitled Trail construction on national forests.]
Notes:
[Issued with perforations for insertion in binder. The previous edition of this publication was entitled Trail construction on national forests.] * For Sale by Superintendent of Documents. Fabrikoid, 15c.
Availability:
* For Sale by Superintendent of Documents. Fabrikoid, 15c.