Cloudy all day. Showery on mtns. to eastward at noon. Fine thunderstorm evening, with grand display of zigzag intensely vivid & very near with keen cracks [and] grand trailing rain … Visited Elk ranch. About sixty old & young. Old bulls carry horns in noble style & grand airs.

Journal entry, Island Park, Idaho (26 August 1913) — the last field entry in Muir's last field journal