REFERENCES
Forests. Report National Conservation Commission.
Forest Conservation, Papers and Discussions, Report Governor's Conference.
Arbor Day, Forest Service Department of Agriculture Circular, 96.
Tree Planting on Rural School Grounds. Forest Service Department of Agriculture Circular, 134.
Practical Assistance to Tree Planters. Forest Service Department of Agriculture Circular, 22.
How to Transplant Forest Trees. Forest Service Department of Agriculture Circular, 61.
Forest Planting on Coal Lands. Forest Service Department of Agriculture Circular, 41.
Forestry in the Public Schools. Forest Service Department of Agriculture Circular, 130.
Primer of Forestry. (Pinchot). Forest Service Department of Agriculture Circular, 173.