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Little Ice Age Maximum Glacier Extent, Exit and Paradise Glaciers, Alaska

Metadata Updated: October 29, 2023

This dataset is a single polyline file that depicts the boundary of the Little Ice Age maximum advance of the terminus of Exit and Paradise Glaciers. The data were collected and digitized for the purpose of identifying, as nearly as possible, the maximum extent of the Little Ice Age (1800s) expansion of the terminal margin of Exit Glacier and Paradise Glacier. Fragments of moraines previously dated by other investigators capture only a small portion of the boundary of that glacier expansion, so this dataset was developed to provide a complete map of the LIA maximum boundary, without requiring definitive dating of any particular portion of the boundary. It is assumed that the entire mapped boundary was occupied by glacier ice sometime during the LIA maximum (nominally 1815-1899 A.D.), but within that time range some portions of the glacier may have reached their maximum extents before or after others.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

Downloads & Resources


Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date October 29, 2023
Publisher U.S. Geological Survey
Identifier USGS:ASC131
Data Last Modified 20201125
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 606baf0f-315f-4d5a-8891-6a300f57d047
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -149.719278406,60.067309574,-149.525247427,60.217326722
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash b013b06c43eed0fe0aa0ef1fe5e34f995ea0afe0cf5b90088fce72794c62e6a4
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -149.719278406, 60.067309574, -149.719278406, 60.217326722, -149.525247427, 60.217326722, -149.525247427, 60.067309574, -149.719278406, 60.067309574}

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