Sunday, October 25, 2015

Repeat Photography Project

 Look at the comparison of the old and new photos of the glaciers in Glacier N.P.

Repeat Photography Project | Northern Rocky Mountain Science Center (NOROCK)

See the results of Global Warming.

Harry Allen

Saturday, August 29, 2015

More on the Gold King Mine Blowout

Arizona Geology has more Info on the Gold King Blowout in their blog:

EPA report on Gold King

Harry Allen

Sunday, August 23, 2015

Gold King Mine Flood

Arizona Geology  has a link to more data on the cause of the Gold King  Mine flood.


We were in the San Juans  the day it flooded the Animas River.

Harry Allen

Friday, July 24, 2015

2oo million year movie

Use this link to view a movie of the break up of Pangea

Break Up

click on  the "view movie" in the upper right panel

Harry Allen

Monday, June 29, 2015

Wednesday, June 24, 2015

New Breccia pipe Maps from the Geologic Survey

The AZGS just put out a new map that shows a partial listing of the Breccia pipes in Northern Arizona.


The high density areas with many black features are the areas that have been mapped in detail. This implies that there are many more pipes out there that are not yet mapped.

Harry Allen