21![Porosity is a measure of volume of the free space in a rock. Most rocks contain empty space, called pore space, between the mineral grains that make up the rock. You can think of porosity like the holes in a sponge. Some Porosity is a measure of volume of the free space in a rock. Most rocks contain empty space, called pore space, between the mineral grains that make up the rock. You can think of porosity like the holes in a sponge. Some](https://www.pdfsearch.io/img/af097d583e046764783c76eb082c7f6f.jpg) | Add to Reading ListSource URL: floridaspringsinstitute.orgLanguage: English - Date: 2013-07-04 11:07:15
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22![VOLUME 20, NUMBER 1 Message from the Division Chair Susan Sakimoto, Goddard Earth Science & Technology Center at NASA/ Goddard Space Flight Center What is it that leads us to painstakingly map planetary topography and g VOLUME 20, NUMBER 1 Message from the Division Chair Susan Sakimoto, Goddard Earth Science & Technology Center at NASA/ Goddard Space Flight Center What is it that leads us to painstakingly map planetary topography and g](https://www.pdfsearch.io/img/59d45f859a9119323ba881e0506f55a8.jpg) | Add to Reading ListSource URL: rock.geosociety.orgLanguage: English - Date: 2010-07-28 17:45:51
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23![April 21, 2015 The Honorable Lamar Smith Chairman House Committee on Science, Space, and Technology 2321 Rayburn House Office Building April 21, 2015 The Honorable Lamar Smith Chairman House Committee on Science, Space, and Technology 2321 Rayburn House Office Building](https://www.pdfsearch.io/img/112417490e4e57135b7b5c19ec0619a4.jpg) | Add to Reading ListSource URL: rock.geosociety.orgLanguage: English - Date: 2015-04-23 11:57:56
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24![An aquifer is a rock or sediment unit that’s pore space is saturated and is sufficiently permeable to transmit water to wells and springs in useful or economic quantities. The place where water enters an aquifer, throu An aquifer is a rock or sediment unit that’s pore space is saturated and is sufficiently permeable to transmit water to wells and springs in useful or economic quantities. The place where water enters an aquifer, throu](https://www.pdfsearch.io/img/9d4624ff01a72e565f419c948ae9a245.jpg) | Add to Reading ListSource URL: floridaspringsinstitute.orgLanguage: English - Date: 2013-07-04 11:05:52
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25![INTERNATIONAL DIVISION NEWSLETTER Summer 2003 What to Expect at the GSA Annual Meeting in Seattle Poster Booth: The International Division (ID) will have exhibit booth #340, a 10x10 ft space that will be open during norm INTERNATIONAL DIVISION NEWSLETTER Summer 2003 What to Expect at the GSA Annual Meeting in Seattle Poster Booth: The International Division (ID) will have exhibit booth #340, a 10x10 ft space that will be open during norm](https://www.pdfsearch.io/img/6ee3789867f6e0b48e2666dd2a4f3130.jpg) | Add to Reading ListSource URL: rock.geosociety.orgLanguage: English - Date: 2015-01-16 13:06:15
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26![An aquifer is a rock or sediment unit that’s pore space is saturated and is sufficiently permeable to transmit water to wells and springs in useful or economic quantities. The place where water enters an aquifer, throu An aquifer is a rock or sediment unit that’s pore space is saturated and is sufficiently permeable to transmit water to wells and springs in useful or economic quantities. The place where water enters an aquifer, throu](https://www.pdfsearch.io/img/4dfb043127d7ba024cdb17c65f1bb827.jpg) | Add to Reading ListSource URL: howardtodumfloridaspringsinstitute.wildapricot.orgLanguage: English - Date: 2013-07-04 11:05:52
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27![VOLUME 18, NUMBER 1 SEPTEMBER, 2000 Message From the Division Chair Dave Kring, University of Arizona VOLUME 18, NUMBER 1 SEPTEMBER, 2000 Message From the Division Chair Dave Kring, University of Arizona](https://www.pdfsearch.io/img/d9e070bf373aa697cbba154b0a75d45e.jpg) | Add to Reading ListSource URL: rock.geosociety.orgLanguage: English - Date: 2010-07-28 17:45:48
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28![Station Rose & Atom™ INTERSTELLAR OVERDRIVE (Barrett-Waters-Mason-Wright) Enhanced CD Composer and musician Gary Danner of Station Rose decided to cover Interstellar Overdrive inAfter he had finished a few first Station Rose & Atom™ INTERSTELLAR OVERDRIVE (Barrett-Waters-Mason-Wright) Enhanced CD Composer and musician Gary Danner of Station Rose decided to cover Interstellar Overdrive inAfter he had finished a few first](https://www.pdfsearch.io/img/aa73720d08a9a0d673e45a1be15be157.jpg) | Add to Reading ListSource URL: www.stationrose.comLanguage: English - Date: 2009-03-05 14:12:05
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29![Crossing Mars: Past and Future Missions to a Cold, Dry Desert Geoffrey A. Landis NASA John Glenn Research Center Mars is one of the most interesting planets in the solar system, featuring enormous canyons, giant volcanoe Crossing Mars: Past and Future Missions to a Cold, Dry Desert Geoffrey A. Landis NASA John Glenn Research Center Mars is one of the most interesting planets in the solar system, featuring enormous canyons, giant volcanoe](https://www.pdfsearch.io/img/c1137beff30a16ba19103fde78f1340c.jpg) | Add to Reading ListSource URL: www.grc.nasa.govLanguage: English - Date: 2002-06-04 09:46:47
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30![GeoBioChatter Newsletter of the Geobiology & Geomicrobiology Division of GSA Volume 2, Issue 2 September 2010 GeoBioChatter Newsletter of the Geobiology & Geomicrobiology Division of GSA Volume 2, Issue 2 September 2010](https://www.pdfsearch.io/img/e07889698c1d2cc0b70e3957028db6df.jpg) | Add to Reading ListSource URL: rock.geosociety.orgLanguage: English - Date: 2010-08-23 11:22:32
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