TY - BOOK ED - United States TI - Environmental assessment reconstruct East Entrance Road: Yellowstone National Park, Wyoming, Montana, Idaho : draft PY - 1992///] CY - Denver, Colo.? PB - U.S. Dept. of the Interior, National Park Service KW - Roads KW - Environmental aspects KW - Local N1 - Shipping list no.: 93-0287-M ER -