An Act to designate certain lands as wilderness.

(Measure passed House, amended, in lieu of H.R. 15446)

Designates as wilderness specified lands within the following components of the National Wildlife Refuge System and the National Forest System: (1) Simeonof National Wildlife Refuge, Alaska; (2) Big Lake National Wildlife Refuge, Arkansas; (3) Chassahowitzka National Wildlife Refuge, Florida; (4) J.N. "Ding" Darling National Wildlife Refuge, Florida; (5) Lake Woodruff National Wildlife Refuge, Florida; (6) Crab Orchard National Wildlife Refuge, Illinois; (7) Lacassine National Wildlife Refuge, Louisiana; (8) Agassiz National Wildlife Refuge, Minnesota; (9) Tamarac National Wildlife Refuge, Minnesota; (10) Mingo National Wildlife Refuge, Missouri; (11) Red Rock Lakes National Wildlife Refuge, Montana; (12) Fort Niobrara National Wildlife Refuge, Nebraska; (13) Swanquarter National Wildlife Refuge, North Carolina; (14) Oregon Islands National Wildlife Refuge, Oregon; (15) San Juan Islands National Wildlife Refuge, Washington; (16) Shoshone National Forest, Wyoming; (17) Sierra National Forest, California; (18) Mark Twain National Forest, Missouri; and (19) Cibola National Forest, New Mexico.

Directs the Secretary of Agriculture to review the suitability of, and the President to submit recommendations relative to, preserving as wilderness specified lands within the following national forests: (1) Angeles National Forest, California; (2) San Bernadino National Forest, California; (3) Mendocino National Forest, California; (4) Mark Twain National Forest, Missouri; (5) Flathead National Forest, Montana; and (6) Lewis and Clark National Forest, Montana.