Federal Lands

posted in: GIS Data | 108

Click >>>USA Datasets to get this KMZ now for free (Updated January 2014).  Note: This KMZ links Google Earth to a government-operated web service via a URL.  Sometimes, after a year or two, the Government changes the way the web … Read More

My Waters KMZ from US EPA

posted in: GIS Data | 10

Click >>>USA Datasets to get this KMZ now for free (Updated January 2014).  Note: This KMZ links Google Earth to a government-operated web service via a URL.  Sometimes, after a year or two, the Government changes the way the web … Read More

Water Quality GIS Data

posted in: GIS Data | 23

The geographic data which is available for download on this site for free must have originally cost $100’s of millions to assemble — possibly $billions.  While some of it might have been gathered for other reasons, water quality regulation and … Read More

Geology KMZs

posted in: GIS Data | 1

What I know about geology and trout streams can be summarized in one word:  limestone. Tom Rosenbauer, in his book, Prospecting for Trout (one of my favorites, by the way) has a good discussion of the difference between limestone and … Read More

Real-time Streamflow

posted in: GIS Data | 32

The USGS runs a network of stream gauges across the country which throw data onto the Internet in near “real time” (updated once an hour).  This info has been available for years over the web, which is essential info if … Read More

USGS NHD and Geonames Datasets

posted in: GIS Data | 2

Click >>>USA Datasets to get these KMZs now for free (Updated January 2014).  Note: This KMZ links Google Earth to a government-operated web service via a URL.  Sometimes, after a year or two, the Government changes the way the web … Read More

Southern Appalachian Data

posted in: GIS Data | 22

The Southern Appalachian Assessment Man and the Biosphere Program (http://samab.org), a partnership among three Federal agencies and several states, conducted a comprehensive ecological studies in 1996.  Results were published as a series of shape files, one of the first programs … Read More

GIS Data

posted in: GIS Data | 19

Above:  3 views of RI using GIS data in Google Earth.  Left panel shows water quality data published by RIDEM.  Blue streams are cold water habitat; purple are warm water; black are unattributed.  Middle panel shows brook trout habitat quality … Read More