Status and preliminary findings of 1980 aerial surveys of spring waterfowl concentration areas along the Alaskan gas pipeline route, Tetlin Junction to Pump Station no. 3 : interim...

Published May 20, 1980

Peregrine falcon surveys along the Northwest Alaskan pipeline route, Alaska, 1981 : final report

by Ritchie, Robert J., Curatolo, James A.
Published October 1981

Peregrine falcon surveys along the proposed Northwest Alaskan pipeline route, Alaska, 1981 : final report

by Ritchie, Robert J., Curatolo, James A.
Published September 15, 1981