Source:
Department of State letter to the U.S. Coast Guard on use of armed vessels by the Coast Guard on the Great Lakes

Ref.:
Department of State letter to the U.S. Coast Guard on use of armed vessels by the Coast Guard on the Great Lakes. In the Digest of United States Practice in International Law for calendar year 2003. Chapter 4, point 17. Available from: http://www.state.gov/s/l/2003/44332.htm

Author:
James Derham
Acting Assistant Secretary
U.S. Department of State

Subject:
Official letter of the Department of State to the U.S. Coast Guard, drafted in response to the request of the Coast Guard to arm its patrol vessels ("revenue cutters") on the Great Lakes with automatic weapons of calibre .50 (M-60).