Comparison with Google Earth suggests that this is Haiduk Lake.
Digitized from film. Digitization information:
Date: 2025:09:16 20:45:18
File: wCan_Rockies_1979_009.jpg
Camera: PENTAX K-5 -- Lens: smc PENTAX-D FA Macro 100mm F2.8 WR at 100.0 mm -- Exposure: 1/15 f/5.6 ISO 100
