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	<title>Free Geography Tools &#187; geology</title>
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	<link>http://freegeographytools.com</link>
	<description>Exploring the world of free tools for GIS, GPS, Google Earth, neogeography, and more.</description>
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		<title>Photorealistic Views Of The Earth Over The Last 750 Million Years</title>
		<link>http://freegeographytools.com/2011/photorealistic-views-of-the-earth-over-the-last-750-million-years</link>
		<comments>http://freegeographytools.com/2011/photorealistic-views-of-the-earth-over-the-last-750-million-years#comments</comments>
		<pubDate>Fri, 29 Apr 2011 12:13:00 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[cartography]]></category>
		<category><![CDATA[geology]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/?p=5041</guid>
		<description><![CDATA[The Visible Paleo-Earth project has combined geological, paleontological, and paleoclimatological data with the paleogeographic maps of Ron Blakey (visible here and here) to create a series of Blue-Marble-type views of the earth spanning the last 750 million years: Basic graphic imagery and the simple YouTube video animation below were released last week: Basic graphic imagery [...]
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<li><a href='http://freegeographytools.com/2007/animating-sea-level-rise-in-san-francisco-with-vector-overlays-in-google-earth-in-one-word-dont' rel='bookmark' title='Animating Sea Level Rise In San Francisco With Vector Overlays In Google Earth In One Word: Don&#039;t'>Animating Sea Level Rise In San Francisco With Vector Overlays In Google Earth In One Word: Don&#039;t</a></li>
<li><a href='http://freegeographytools.com/2007/3d-perspective-views-with-3dem' rel='bookmark' title='3D Perspective Views With 3DEM'>3D Perspective Views With 3DEM</a></li>
<li><a href='http://freegeographytools.com/2007/geographically-linked-video-with-veogeo' rel='bookmark' title='Geographically-Linked Video With VeoGeo'>Geographically-Linked Video With VeoGeo</a></li>
</ol>]]></description>
		<wfw:commentRss>http://freegeographytools.com/2011/photorealistic-views-of-the-earth-over-the-last-750-million-years/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Free Geology Mapping Toolkit From The British Geological Survey</title>
		<link>http://freegeographytools.com/2010/free-geology-mapping-toolkit-from-the-british-geological-survey</link>
		<comments>http://freegeographytools.com/2010/free-geology-mapping-toolkit-from-the-british-geological-survey#comments</comments>
		<pubDate>Thu, 02 Dec 2010 12:59:00 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[geology]]></category>
		<category><![CDATA[GIS]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/?p=4819</guid>
		<description><![CDATA[The British Geological Survey has made SIGMA, the System for Integrated Geologic Mapping, available for free: The BGS·SIGMA project (System for Integrated Geoscience MApping) is an integrated workflow for geoscientific surveying and visualisation using digital methods for geological data visualisation, recording and interpretation in both 3D and 4D… BGS·SIGMA has … defined and documented an [...]
Related posts:<ol>
<li><a href='http://freegeographytools.com/2008/online-11m-geology-maps-at-the-onegeology-portal' rel='bookmark' title='Online 1:1M Geology Maps At The OneGeology Portal'>Online 1:1M Geology Maps At The OneGeology Portal</a></li>
</ol>]]></description>
		<wfw:commentRss>http://freegeographytools.com/2010/free-geology-mapping-toolkit-from-the-british-geological-survey/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>US Soil Data Using SoilWeb</title>
		<link>http://freegeographytools.com/2010/us-soil-data-using-soilweb</link>
		<comments>http://freegeographytools.com/2010/us-soil-data-using-soilweb#comments</comments>
		<pubDate>Tue, 30 Nov 2010 12:30:00 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[geology]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/?p=4816</guid>
		<description><![CDATA[The US Department Of Agriculture’s Natural Resources Conservation Service (NRCS) – National Cooperative Soil Survey has a Web Soil Survey site that lets you query and access US soil data, but I’ve always found it slow and difficult to use. The California Soil Resource Lab at UC-Davis has created the SoilWeb data service, which recasts [...]
Related posts:<ol>
<li><a href='http://freegeographytools.com/2007/rocks-and-dirt-geology-and-soil-maps-of-the-us-and-world' rel='bookmark' title='Rocks And Dirt &#8211; Geology And Soil Maps Of The US And World'>Rocks And Dirt &#8211; Geology And Soil Maps Of The US And World</a></li>
</ol>]]></description>
		<wfw:commentRss>http://freegeographytools.com/2010/us-soil-data-using-soilweb/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>EarthCache: Geology-Oriented Geocaching</title>
		<link>http://freegeographytools.com/2009/earthcache-geology-oriented-geocaching</link>
		<comments>http://freegeographytools.com/2009/earthcache-geology-oriented-geocaching#comments</comments>
		<pubDate>Wed, 16 Sep 2009 12:02:31 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[geology]]></category>
		<category><![CDATA[GPS]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/?p=4071</guid>
		<description><![CDATA[I’ve never really gotten interested in “geocaching”, the recreational sport of tracking down of hidden containers or cache by geographic location. But I’ve just found out about a related variant that meshes nicely with my interest in geology: EarthCache. As with a geocache, you go to a location based on geographical coordinates, but the reward [...]
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<li><a href='http://freegeographytools.com/2010/gis-data-for-us-national-parks-and-monuments' rel='bookmark' title='GIS Data For US National Parks And Monuments'>GIS Data For US National Parks And Monuments</a></li>
<li><a href='http://freegeographytools.com/2007/rocks-and-dirt-geology-and-soil-maps-of-the-us-and-world' rel='bookmark' title='Rocks And Dirt &#8211; Geology And Soil Maps Of The US And World'>Rocks And Dirt &#8211; Geology And Soil Maps Of The US And World</a></li>
</ol>]]></description>
		<wfw:commentRss>http://freegeographytools.com/2009/earthcache-geology-oriented-geocaching/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Online 1:1M Geology Maps At The OneGeology Portal</title>
		<link>http://freegeographytools.com/2008/online-11m-geology-maps-at-the-onegeology-portal</link>
		<comments>http://freegeographytools.com/2008/online-11m-geology-maps-at-the-onegeology-portal#comments</comments>
		<pubDate>Mon, 04 Aug 2008 12:14:54 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[data]]></category>
		<category><![CDATA[geology]]></category>
		<category><![CDATA[Google Earth]]></category>
		<category><![CDATA[KML]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/?p=1763</guid>
		<description><![CDATA[The OneGeology website gives its mission as: Make web-accessible the best available geological map data worldwide at a scale of about 1: 1 million, as a geological survey contribution to the International Year of Planet Earth. While the official launch of the site is scheduled to coincide with the International Geological Conference in Oslo, August [...]
Related posts:<ol>
<li><a href='http://freegeographytools.com/2010/free-geology-mapping-toolkit-from-the-british-geological-survey' rel='bookmark' title='Free Geology Mapping Toolkit From The British Geological Survey'>Free Geology Mapping Toolkit From The British Geological Survey</a></li>
<li><a href='http://freegeographytools.com/2007/rocks-and-dirt-geology-and-soil-maps-of-the-us-and-world' rel='bookmark' title='Rocks And Dirt &#8211; Geology And Soil Maps Of The US And World'>Rocks And Dirt &#8211; Geology And Soil Maps Of The US And World</a></li>
<li><a href='http://freegeographytools.com/2007/google-maps-with-a-topographic-overlay' rel='bookmark' title='Google Maps With A Topographic Overlay'>Google Maps With A Topographic Overlay</a></li>
</ol>]]></description>
		<wfw:commentRss>http://freegeographytools.com/2008/online-11m-geology-maps-at-the-onegeology-portal/feed</wfw:commentRss>
		<slash:comments>1</slash:comments>
		</item>
		<item>
		<title>Downloadable US Bathymetric And Fishing Maps</title>
		<link>http://freegeographytools.com/2008/downloadable-us-bathymetric-and-fishing-maps</link>
		<comments>http://freegeographytools.com/2008/downloadable-us-bathymetric-and-fishing-maps#comments</comments>
		<pubDate>Mon, 21 Jan 2008 15:18:19 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[data]]></category>
		<category><![CDATA[geology]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/2008/downloadable-us-bathymetric-and-fishing-maps</guid>
		<description><![CDATA[The National Geophysical Data Center has downloadable bathymetric and fishing maps for most of the US ocean coastline (not intended for navigation purposes, though). Map catalogs are broken down by geographic region, and maps are available in both small PDF preview format and large format downloads in either PDF or TIF format (the latter in [...]
No related posts.]]></description>
		<wfw:commentRss>http://freegeographytools.com/2008/downloadable-us-bathymetric-and-fishing-maps/feed</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Online Map Of US Thermal Springs</title>
		<link>http://freegeographytools.com/2008/online-map-of-us-thermal-springs</link>
		<comments>http://freegeographytools.com/2008/online-map-of-us-thermal-springs#comments</comments>
		<pubDate>Thu, 03 Jan 2008 13:57:43 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[geology]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/2008/online-map-of-us-thermal-springs</guid>
		<description><![CDATA[Living in the dry climate of the US Southwest, I&#8217;ve always found springs fascinating. For someone who grew up in the suburbs, water flowing continuously out of the ground with no pipeline or spigot somehow seems unnatural. But even more bizarre is hot water flowing out of the ground. NOAA&#8217;s National Geophysical Data Center has [...]
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<li><a href='http://freegeographytools.com/2007/geothermal-resource-data' rel='bookmark' title='Geothermal Resources Data'>Geothermal Resources Data</a></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>World Digital Magnetic Anomaly Map (WDMAM) Released</title>
		<link>http://freegeographytools.com/2007/world-digital-magnetic-anomaly-map-wdmam-released</link>
		<comments>http://freegeographytools.com/2007/world-digital-magnetic-anomaly-map-wdmam-released#comments</comments>
		<pubDate>Fri, 02 Nov 2007 18:43:14 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[geology]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/2007/world-digital-magnetic-anomaly-map-wdmam-released</guid>
		<description><![CDATA[The BBC has an article on the release of the first worldwide map of magnetic anomalies, deviations in the earth&#8217;s magnetic field due to effects from magnetized crustal rocks. Nice views of the magnetic striping on either side of the Mid-Atlantic Ridge resulting from ocean-floor spreading (the driver of continental drift) and prehistoric reverses in [...]
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<li><a href='http://freegeographytools.com/2010/easy-magnetic-declination-value-website' rel='bookmark' title='Easy Magnetic Declination Value Website'>Easy Magnetic Declination Value Website</a></li>
<li><a href='http://freegeographytools.com/2010/free-geology-mapping-toolkit-from-the-british-geological-survey' rel='bookmark' title='Free Geology Mapping Toolkit From The British Geological Survey'>Free Geology Mapping Toolkit From The British Geological Survey</a></li>
<li><a href='http://freegeographytools.com/2008/compass-indicators-in-google-earth' rel='bookmark' title='Compass Indicators In Google Earth'>Compass Indicators In Google Earth</a></li>
</ol>]]></description>
		<wfw:commentRss>http://freegeographytools.com/2007/world-digital-magnetic-anomaly-map-wdmam-released/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Glaciers Of The American West</title>
		<link>http://freegeographytools.com/2007/glaciers-of-the-american-west</link>
		<comments>http://freegeographytools.com/2007/glaciers-of-the-american-west#comments</comments>
		<pubDate>Mon, 09 Jul 2007 20:02:33 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[geology]]></category>
		<category><![CDATA[global warming]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/2007/glaciers-of-the-american-west</guid>
		<description><![CDATA[Portland State University&#8217;s Glaciers Online site has maps, photos and data for glaciers of the American West. Contents include: Shapefiles of glaciers and glaciated regions PDF maps from the 1975 government report &#8220;Mountain Glaciers Of The Northern Hemisphere&#8221; Glacier photos by location and time, highlighting the gradual retreat of glaciers with global warming A queryable [...]
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<li><a href='http://freegeographytools.com/2007/google-earth-library-now-open' rel='bookmark' title='Google Earth Library Now Open'>Google Earth Library Now Open</a></li>
<li><a href='http://freegeographytools.com/2010/cartography-2-0-online-textbook' rel='bookmark' title='Cartography 2.0 &ndash; Online Textbook'>Cartography 2.0 &ndash; Online Textbook</a></li>
</ol>]]></description>
		<wfw:commentRss>http://freegeographytools.com/2007/glaciers-of-the-american-west/feed</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Geothermal Resources Data</title>
		<link>http://freegeographytools.com/2007/geothermal-resource-data</link>
		<comments>http://freegeographytools.com/2007/geothermal-resource-data#comments</comments>
		<pubDate>Sun, 22 Apr 2007 17:42:00 +0000</pubDate>
		<dc:creator>Leszek Pawlowicz</dc:creator>
				<category><![CDATA[data]]></category>
		<category><![CDATA[geology]]></category>
		<category><![CDATA[GIS]]></category>
		<category><![CDATA[global warming]]></category>

		<guid isPermaLink="false">http://freegeographytools.com/?p=132</guid>
		<description><![CDATA[Other mapping sites seem to be doing an Earth Day related post, so I&#8217;ll move this one up a bit. Energy production from the heat of the earth (geothermal energy) generates no carbon dioxide emissions that contribute to global warming, and could produce as much as 100,000 megawatts in the US alone by the year [...]
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<li><a href='http://freegeographytools.com/2008/online-map-of-us-thermal-springs' rel='bookmark' title='Online Map Of US Thermal Springs'>Online Map Of US Thermal Springs</a></li>
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<li><a href='http://freegeographytools.com/2008/plot-demographic-data-in-map-graph-and-tabular-format-with-policymap' rel='bookmark' title='Plot Demographic Data In Map, Graph, And Tabular Format With PolicyMap'>Plot Demographic Data In Map, Graph, And Tabular Format With PolicyMap</a></li>
</ol>]]></description>
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		<slash:comments>0</slash:comments>
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