Northern Rocky Mountain Science Center

Multimedia

Search here for some of our available field imagery and videos. Can't find what you are looking for? Contact twojtowicz@usgs.gov to see what we have available.

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Salt lick (right) and device to exclude wildlife from access to minerals (left)
July 7, 2021

Salt lick and device to exclude wildlife from access to minerals

Orange and black excluder device (left) will contain minerals, but intended to allow livestock access while excluding wildlife. Mineral block to the right of excluder device.

Tree-ring sample from an avalanche path
May 3, 2021

Tree-ring sample from an avalanche path

This tree-ring sample from an avalanche path captures 256 years of data between the years 1777 and 2013. The scars in 1818 and 1974 are examples of mechanical damage caused by an avalanche. The pith is the center of the tree.

Grinnell, Gem & Salamander Glaciers in 1910 and 2016
March 22, 2021

Grinnell, Gem & Salamander Glaciers in 1910 and 2016

Grinnell, Gem & Salamander Glaciers: 8/9/1910 M Elrod, U of M Library – 9/27/2016 L McKeon, USGS 

During the timespan between photos, Upper Grinnell Lake formed as Grinnell Glacier melted.  Gem Glacier, the small glacier in the saddle along the crest of the peaks, has lost some height (volume) despite retaining a similar area.  Salamander Glacier, along the

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Boulder Glacier in 1910 and 2007
March 22, 2021

Boulder Glacier in 1910 and 2007

Boulder Glacier: circa 1910 M Elrod, Glacier National Park Archives -  8/24/2007 D Fagre & G Pederson, USGS  

Aerial analysis showed that by 1998 Boulder Glacier’s area was less than 0.1 km2, too small

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Blackfoot & Jackson Glaciers in 1914 and 2009
March 22, 2021

Blackfoot & Jackson Glaciers in 1914 and 2009

Blackfoot & Jackson Glaciers:  8/1/1914 EC Stebinger, USGS Photographic Library – 9/3/2009 L McKeon, USGS

Since the historic photo was taken, Blackfoot Glacier has retreated and fragmented into two separate glaciers, Blackfoot (foreground) and Jackson (distant) Glaciers. 

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Repeat photo of Grinnell Glacier
March 22, 2021

Repeat photo of Grinnell Glacier (1910, 2007)

Boulder Glacier in 1910 (Elrod photo, GNP Archives) and in 2007 (Fagre/Pederson photo, USGS).  Matching the intersection of the peaks in the background helps the repeat photographer locate the photo point.  USGS Public domain

 

Kintla Glacier in 1901 and 2019
March 19, 2021

Kintla Glacier in 1901 and 2019

Grinnell, Gem & Salamander Glaciers: 8/9/1910 M Elrod, U of M Library – 9/27/2016 L McKeon, USGS 

View the full collection at USGS Photographic Library 

Agassiz Glacier in 1913 and 2007
March 12, 2021

Agassiz Glacier in 1913 and 2007

Agassiz Glacier: 8/5/1913 WC Alden, USGS Photographic Library - 8/24/2007, D Fagre, USGS 

View the full collection at USGS Photographic Library 

Boulder Ice Cave Glacier 1932 and 1988
March 11, 2021

Boulder Ice Cave Glacier 1932 and 1988

Boulder Glacier Ice Cave:  1932, TJ Hileman, GNP Archives – 1988, J DeSanto, U of M Library 

This photo pair inspired the USGS to document glacier and landscape change using oblique photography.

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Repeat photo of Harrison Glacier (1913, 2009)
March 11, 2021

Repeat photo of Harrison Glacier (1913, 2009)

Repeat photo of Harrison Glacier. 8/20/1913 by WC Alden, USGS Photographic Library, 7/30/2009 by Ralph Thornton, USGS.

Shepard Glacier
March 11, 2021

Shepard Glacier

Karen Holzer and Lisa McKeon rephotograph Shepard Glacier from the slope of Pyramid Peak, Glacier National Park. 1998 USGS photo.

Chaney Glacier 1911 and 2005
March 11, 2021

Chaney Glacier 1911 and 2005

Chaney Glacier:  1911, MR Campbell, USGS Photographic Library – 8/19/2005 Karen Milone, USGS 

View the full collection at USGS Photographic Library