The Story of the Cattle-fever Tick

The Story of the Cattle-fever Tick
Author: Chris Lauriths Christensen
Publisher:
Total Pages: 750
Release: 1927
Genre: Agricultural colleges
ISBN:

This publication provides a section which gives a brief description of the various offices within the United States Department of Agriculture and their functions, followed by a directory, and an Index of Names.

Phosphate in Canada

Phosphate in Canada
Author: Canada. Mines Branch
Publisher: Government Printing Bureau
Total Pages: 190
Release: 1920
Genre: Apatite
ISBN: