North American Butterfly Association
Mill D South Trail (Big Cottonwood Canyon)
Salt Lake County, UT
Sunny, started in mid-50s; ended 700s — 8am to 10:45.
Walked from road (~7200ft) to trail head to large mine tailing pile (8400ft)
Also saw 2 Blues and 1 Duskywing/Cloudywing
Ringlet, 1 CA Tortoiseshell and N Checkerspot seen along the road.
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