pumice stones
Trade good · mentioned in 3 journal entries
Planning
Westward
Fort Clatsop
Return
Post-expedition
NPS L&C NHT trail data © National Park Service
AI-extracted reference. Each entry below was identified by AI as mentioning pumice stones. Spelling variants may not be merged. see related variants →
Fort Mandan (winter) — Patrick Gass: January 7, 1805
Patrick Gass · Jan 7, 1805 · Fort Mandan (winter)
"lay thick along ground"
Departure from Fort Mandan, Missouri River — Patrick Gass: April 8, 1805
Patrick Gass · Apr 8, 1805 · Departure from Fort Mandan, Missouri River
"lay thick around former volcano"
Exploring for winter camp site, south shore of Columbia — Patrick Gass: November 20, 1805
Patrick Gass · Nov 20, 1805 · Exploring for winter camp site, south shore of Columbia
"found thrown up by waves"
