Spawning Creek, W side Lake Schrader, 145°11'40", 69°25'08", 2908 ft.
SW Lake Schrader, 145°11'30", 69°24'32", 2925 ft. (July 27, 28, 1952).
Lake Schrader, 145°09'50", 69°24'28", 2900 ft. (July 23, 24-30, 1952).
East side Lake Schrader—Lake Peters Channel, 145°09'30", 69°24'15", 2905 ft. (July 29, 30, 1952).
Mouth Chamberlin Canyon, S end Lake Peters, 145°08'34", 69°20'58", 3690 ft. (Aug. 4, 5, 1952).
SE end Lake Peters, 145°09'26", 69°20'56", 2950 ft., Romanzof Mountains (Aug. 1-9, 14, 1952).
Mount Mary, S end Lake Peters, 145°10'05", 69°20'35", 3012 ft. (The mountain between Carnivore River on the east, Whistler Creek on the west, mouth of Whistler Creek on the north, and the crest of the Brooks Range on the south.) (Aug. 13-16, 1952.)
Mount Mary, S end Lake Peters, 145°10'02", 69°20'30", 2920 ft. (July 30-Aug. 11, 1952).
S end Lake Peters, 145°09'50", 69°20'15", 2906 ft. (Aug. 15, 1952).
Weasel Point, S end Lake Peters, 145°09'30", 69°20'15", 2920 ft. (Aug. 9-11, 1952).