 This means that lands are closed to logging, road construction, mine development, and to is required to be managed as part of the National Wilderness Preservation System under the Wilderness Act of 1964.During the congressional negotiations concerning the TTRA, the House wanted to eliminate the designated decadal harvest levels, terminate the long-term contracts existing with the KPC and the APC, designate more of the Tongass to wilderness status, and provide increased protection to fisheries.The Senate were hesitant to endorse the extensive reforms, concerned for the local economy of Southeast Alaska, and the Alaskans that relied on the timber industry of the Tongass for employment.