"United States. Department of the Interior. Alaska Planning Group." . . "Sheenjik, Région de la (Alaska)" . . "Porcupine National Forest, Alaska." . . "Porcupine, Région de la (Yukon et Alaska)" . . . . . . . . . . "Proposed porcupine national forest - alaska - final environmental statement"@en . . . "Proposed Porcupine National Forest, Alaska : final environmental statement"@en . . . . "Proposed Porcupine National Forest, Alaska final environmental statement"@en . . . . . "A detailed assessment of environmental impacts associated with the establishment of the proposed forest and the management of the land. Includes an inventory of the resources of the area."@en . . . . "Porcupine National Forest (Alaska : Proposed)" . .