Way: 200136803

standardizing tags and start & end_dates

1966	yes
end_date	1981
end_date:edtf	1982~
end_date:source	arbitrary point in between 1966 and 1998 data sets
project	sotmus2024
source	https://www.sciencebase.gov/catalog/item/58af7532e4b01ccd54f9f5d3
source:name	1966_Glacier margins derived from USGS 1966 topographic maps for the named glaciers of Glacier National Park, MT and environs
start_date	1915
start_date:edtf	1914~
start_date:source	arbitrary point in between 1850 & 1966 data sets and aligned with a survey of USGS that may provide more information

1 relation

82 nodes

You are either using a browser that does not support JavaScript, or you have disabled JavaScript.

OpenHistoricalMap uses JavaScript for its slippy map.

https://openstreetmap.org/copyright	https://openstreetmap.org
Copyright OpenHistoricalMap and contributors, under an open license

Welcome to OpenHistoricalMap!