Explanation of the proposed regulations for the protection of migratory birds
Contributors: United States. Department of Agriculture
Series: Circular / U.S. Dept. of Agriculture. Bureau of Biological Survey -- no. 93; Circular (United States. Bureau of Biological Survey) -- no. 93.
Publisher: U.S. Dept. of Agriculture, Bureau of Biological Survey
Published: 1913
Place of publication: Washington, D.C
Language: eng
Subjects: Conservation; Birds; Migratory birds
Notes: Caption title.

"Issued June 23, 1913."

Biological Survey Circular No. 93.

At head of title: United States Department of Agriculture, Bureau of Biological Survey.
Table of contents: title: Basis of the regulations. pp. 1; title: Effect of the regulations. pp. 2; title: Definitions; title: Night shooting; title: Insectivorous birds; title: Five-year close seasons. pp. 3; title: Navigable rivers; title: Zones; title: Seasons in Zone No. 1. pp. 4; title: Seasons in Zone No. 2; title: Hearings. pp. 5.