Filtering by: File Format image/tiff Remove constraint File Format: image/tiff Publisher byrd polar and climate research center archival program Remove constraint Publisher: byrd polar and climate research center archival program Resource Type image Remove constraint Resource Type: image Subject walker, james john, 1881-1946 Remove constraint Subject: walker, james john, 1881-1946 Subject byrd, richard evelyn, 1888-1957 Remove constraint Subject: byrd, richard evelyn, 1888-1957