OpenHistoricalMap

Way: 200137663

Version #7

changing name="unnamed glacier" to description="unnamed glacier"

Edited 5 months ago by jeffmeyer
Changeset #125275

Tags

1850	yes
description	unnamed glacier
end_date	1914
end_date:edtf	[..1914]
end_date:source	arbitrary point in between 1850 and 1966 data sets and aligned with a survey of USGS that may provide more information
natural	glacier
project	sotmus2024
source	https://www.sciencebase.gov/catalog/item/5b194ca2e4b092d965237f4a
source:date_depicted	1850 as proxy for "mid nineteenth century"
source:name	A comprehensive inventory of maximum glacial extent in Glacier National Park during the peak of the Little Ice Age
usgs:aspect	289
usgs:classification	Little Ice Age max glacial extent
usgs:drainage	Boundary
usgs:notes	permenant snow and ice above polygon was possibly headwall. conservative estimate, very confident
usgs:scale	1:2000
usgs:source	wv01_20150912 ONA 26.2, 2009 DOHS imagery where shadowed
usgs:source:date	2015, 2009

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