The late September sky guides a writer up to the tundra below a high peak in Colorado, and it tells him when it’s time to retreat.
Martin, Ken R.
"The Dark Sky Where Orion Sleeps: On a High Trail, Alone with the Night,"
Appalachia: Vol. 72
, Article 10.
Available at: https://digitalcommons.dartmouth.edu/appalachia/vol72/iss2/10