Phonography : Wrangell St. Elias NP, Twin Lakes, Nebasma area, Trumpeter swans calling, ducks
Recorded at Wrangell St. Elias NP, Alaska
Microphones : Sennheiser MS (MKH 8040 + MKH 30)
Recorder : Sound Device MixPre 10T
GPS coordinates : 62.529169, -143.261632
09/15/2018