National Governors Association
The National Governors Association (NGA) provides both state and national views regarding issues with usage of natural resources and management in the Progressive Era. It was founded in 1908 as the National Governors' Conference, at the Conference of Governors. The NGA represents the governors of the fifty U.S. states and five U.S. territories (American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands).
- Robert D. Behn, Governors on Governing, University Press of America, 1991 ISBN 0-8191-7891-8, p. 185.
- Inland Waterways Commission Recommendations... Inquiries in Progress Letter to the President, October 5, 1907: ..."3. We are of opinion that the conference may best be held in the national capital next winter, and that the conferees should comprise the governors of all our States and Territories, a limited number of delegates to be appointed by each governor, and representatives from leading organizations of both State and national scope engaged in dealing with natural resources or with practical questions relating thereto... In his Memphis address on October 4 the President announced the intention of calling such a conference, and on November 13 he issued invitations to the governors of the States and Territories to meet at the White House May 13–15, 1908;..."