| A | B |
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| Creative Act of 1891 | Authorized the President of the United States to set aside public lands bearing forests as public reservations commonly called Forest Reserves. |
| Organic Administration Act of 1897 | Provided that the Forest Reserves, later to be called National Forests, were established to improve and protect the forest, to secure favorable conditions of water flow, and to furnish a continuous supply of timber. |
| Transfer Act of 1905 | Transferred the administration of the Forest Reserves from the United States Department of the Interior to the United States Department of Agriculture. |
| Twenty-five Percent Fund Act of 1908 | Established the procedure for paying the states twenty-five percent of the monies received from national forest timber sales to benefit public schools and public roads in counties where national forests are located. These payments are made in lieu of taxes. |
| Weeks Law of 1911 | Authorized purchasing and adding to the National Forest System forested, cut-over, or denuded lands within the watersheds of navigable streams which are necessary to regulate the flow of navigable streams or to produce timber. |
| Smith-Lever Act of 1914 | Established a Federal-State Cooperative Extension program to provide education for the public in agriculture and natural resources. |
| Clarke-McNary Act of 1924 | Authorized technical and financial assistance to the states for forest fire control and for production and distribution of forest tree seedlings. (Sections 1 through 4 were repealed by the Cooperative Forestry Assistance Act of 1978.) |
| McSweeney-McNary Act of 1928 | Authorized a comprehensive Forest Service research program. (This act was repealed and supplanted by the Forest and Rangeland Renewable Resources Research Act of 1978.) |
| Multiple Use - Sustained Yield Act of 1960 | Established a policy of multiple use, sustained yield management for the renewable resources of the National Forest System. |
| McIntyre-Stennis Act of 1962 | Established a cooperative forestry research program for state land-grant colleges and universities. |
| Clean Air Act of 1963 | Gave the Federal government enforcement powers regarding air pollution for the first time. This act and subsequent amendments impact the forest industry by affecting prescribed burning for forest management and emissions from forest products manufacturing plants. |
