The production of maple sirup and sugar /
by A. Hugh Bryan and William F. Hubbard.
- Washington : Govt. Print. Off., 1912.
- 46 p. : ill. ; 24 cm.
- Farmers' bulletin / U.S. Department of Agriculture ; 516 .
- Farmers' bulletin (United States. Department of Agriculture ) ; 516. .
Source: Gift of A.W. Bitting, presented in memory of Katherine Golden Bitting, Oct. 6, 1939.