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document.writeln('<div style="width:580px; text-align:right; font-style:italic;"><span style="position:absolute; left:0; color:white; margin:0 0 0 20px;" class="b">Subject links</span><a href="javascript:closeSubject()" style="color:white; text-decoration:none">[close menu]</a></div>');

document.writeln('<a href="../subjects/antarctica.php" class="single"><div class="singleSpacer">Antarctica</div></a>');
document.writeln('<a href="../subjects/caves.php" class="single"><div class="singleSpacer">Caves</div></a>');
document.writeln('<a href="../subjects/climate.php" class="single"><div class="singleSpacer">Climate and Weather</div></a>');
document.writeln('<a href="../subjects/climate-change.php" class="single"><div class="singleSpacer">Climate Change</div></a>');

document.writeln('<a href="../subjects/economic.php" class="single"><div class="singleSpacer">Economic Geology</div></a>');
document.writeln('<a href="../subjects/energy.php" class="single"><div class="singleSpacer">Energy</div></a>');
document.writeln('<a href="../subjects/environmental.php" class="single"><div class="singleSpacer">Environmental Geology</div></a>');
document.writeln('<a href="http://library.osu.edu/sites/geology/gems/main.php" class="single"><div class="singleSpacer">Gems</div></a>');

document.writeln('<a href="../subjects/geochem.php" class="single"><div class="singleSpacer">Geochemistry</div></a>');
document.writeln('<a href="../subjects/geomorphology.php" class="single"><div class="singleSpacer">Geomorphology</div></a>');
document.writeln('<a href="../subjects/geophysics.php" class="single"><div class="singleSpacer">Geophysics</div></a>');
document.writeln('<a href="../subjects/glacial.php" class="single"><div class="singleSpacer">Glacial Geology</div></a>');

document.writeln('<a href="../courses/874.php" class="single"><div class="singleSpacer">History of Geology</div></a>');
document.writeln('<a href="../geodetic/main.php" class="single"><div class="singleSpacer">Maps</div></a>');
document.writeln('<a href="../subjects/oceanography.php" class="double"><div class="doubleSpacer">Marine Geology and Oceanography</div></a>');


document.writeln('<a href="../subjects/mineralogy-petrology.php" class="double"><div class="doubleSpacer">Mineralogy and Petrology</div></a>');
document.writeln('<a href="../subjects/miningResources.php" class="single"><div class="singleSpacer">Mining Resources</div></a>');
document.writeln('<a href="../subjects/music.php" class="single"><div class="singleSpacer">Music</div></a>');

document.writeln('<a href="../National_Parks/main.php" class="single"><div class="singleSpacer">National Parks</div></a>');
document.writeln('<a href="../subjects/paleontology.php" class="single"><div class="singleSpacer">Paleontology</div></a>');
document.writeln('<a href="../subjects/petroleumGeology.php" class="single"><div class="singleSpacer">Petroleum Geology</div></a>');
document.writeln('<a href="../subjects/PlanetaryScience/main.php" class="single"><div class="singleSpacer">Planetary Science</div></a>');

document.writeln('<a href="../subjects/reefs.php" class="single"><div class="singleSpacer">Reefs</div></a>');
document.writeln('<a href="../research_guide.php" class="single"><div class="singleSpacer">Research</div></a>');
document.writeln('<a href="../subjects/soils.php" class="single"><div class="singleSpacer">Soils</div></a>');
document.writeln('<span class="single" style="background-color:#cccccc"><div class="singleSpacer"><span style="visibility:hidden">EMPTY CELL</span></div></span>');

document.writeln('<a href="../subjects/stratigraphy.php" class="double"><div class="doubleSpacer">Stratigraphy and Geologic Time</div></a>');
document.writeln('<a href="../subjects/structural-geology.php" class="double"><div class="doubleSpacer">Structural Geology, Tectonics and Earthquakes</div></a>');

document.writeln('<a href="../subjects/tsunamis.php" class="single"><div class="singleSpacer">Tsunamis</div></a>');
document.writeln('<a href="../subjects/volcanoes.php" class="single"><div class="singleSpacer">Volcanoes</div></a>');
document.writeln('<a href="../subjects/water.php" class="single"><div class="singleSpacer">Water</div></a>');
document.writeln('<a href="../writing_resource_guide.php" class="single"><div class="singleSpacer">Writing</div></a>');

document.writeln('<a href="../subjects/main.php" class="single"><div class="singleSpacer">Main</div></a>');
document.writeln('<span class="single" style="background-color:#cccccc"><div class="singleSpacer"><span style="visibility:hidden">EMPTY CELL</span></div></span>');
document.writeln('<span class="single" style="background-color:#cccccc"><div class="singleSpacer"><span style="visibility:hidden">EMPTY CELL</span></div></span>');
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//


document.writeln('<div style="width:620px; height:106px; border:1px solid black; background-color:#990000; text-align:center; text-decoration:none; display:none; position:absolute;" id="nav-ohio">')

document.writeln('<div style="width:580px; text-align:right; font-style:italic;"><span style="position:absolute; left:0; color:white; margin:0 0 0 20px;" class="b">Ohio resources</span><a href="javascript:closeOhio()" style="color:white; text-decoration:none">[close menu]</a></div>')

document.writeln('<a href="../Ohio/climate-weather.php" class="single"><div class="singleSpacer">Climate and Weather</div></a>')
document.writeln('<a href="../Ohio/coal.php" class="single"><div class="singleSpacer">Coal</div></a>')
document.writeln('<a href="../Ohio/earthquakes.php" class="single"><div class="singleSpacer">Earthquakes</div></a>')
document.writeln('<a href="../Ohio/environment.php" class="single"><div class="singleSpacer">Environment</div></a>')

document.writeln('<a href="../Ohio/lake-erie.php" class="single"><div class="singleSpacer">Lake Erie</div></a>')
document.writeln('<a href="../Ohio/maps.php" class="double"><div class="doubleSpacer">Maps and Geospatial Data</div></a>')
document.writeln('<a href="../Ohio/paleontology.php" class="single"><div class="singleSpacer">Paleontology</div></a>')

document.writeln('<a href="../Ohio/petroleum.php" class="single"><div class="singleSpacer">Petroleum</div></a>')
document.writeln('<a href="../Ohio/rocksMinerals.php" class="single"><div class="singleSpacer">Rocks and Minerals</div></a>')
document.writeln('<a href="../Ohio/soils.php" class="single"><div class="singleSpacer">Soils</div></a>')
document.writeln('<a href="../Ohio/stratigraphy.php" class="single"><div class="singleSpacer">Stratigraphy</div></a>')

document.writeln('<a href="../Ohio/water.php" class="single"><div class="singleSpacer">Water</div></a>')
document.writeln('<a href="../Ohio/misc.php" class="single"><div class="singleSpacer">Miscellaneous</div></a>')
document.writeln('<a href="../Ohio/main.php" class="single"><div class="singleSpacer">Main</div></a>')
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//
//
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//


document.writeln('<div style="width:620px; height:128px; border:1px solid black; background-color:#990000; text-align:center; text-decoration:none; display:none; position:absolute;" id="nav-map">')

document.writeln('<div style="width:580px; text-align:right; font-style:italic;"><span style="position:absolute; left:0; color:white; margin:0 0 0 20px;" class="b">Map resources</span><a href="javascript:closeMaps()" style="color:white; text-decoration:none">[close menu]</a></div>')

document.writeln('<a href="../geodetic/associations.php" class="single"><div class="singleSpacer">Associations</div></a>')
document.writeln('<a href="../geodetic/commercial.php" class="double"><div class="doubleSpacer">Commercial Map Publishers</div></a>')
document.writeln('<a href="../geodetic/data.php" class="single"><div class="singleSpacer">Data Sources</div></a>')

document.writeln('<a href="../geodetic/environment.php" class="double"><div class="doubleSpacer">Data Sources: Environment</div></a>')
document.writeln('<a href="../geodetic/databases.php" class="single"><div class="singleSpacer">Databases</div></a>')
document.writeln('<a href="../geodetic/digital.php" class="single"><div class="singleSpacer">Digital Maps</div></a>')

document.writeln('<a href="../geodetic/government.php" class="single"><div class="singleSpacer">Government Agencies</div></a>')
document.writeln('<a href="../geodetic/images.php" class="single"><div class="singleSpacer">Images</div></a>')
document.writeln('<a href="../geodetic/software.php" class="single"><div class="singleSpacer">Mapping Software</div></a>')
document.writeln('<a href="../Ohio/maps.php" class="single"><div class="singleSpacer">Ohio Resources</div></a>')

document.writeln('<a href="../geodetic/osu.php" class="single"><div class="singleSpacer">OSU links</div></a>')
document.writeln('<a href="../geodetic/reference.php" class="single"><div class="singleSpacer">Reference Resources</div></a>')
document.writeln('<a href="../geodetic/satelliteImagery.php" class="single"><div class="singleSpacer">Satellite Imagery</div></a>')
document.writeln('<a href="../geodetic/surveying.php" class="single"><div class="singleSpacer">Surveying Resources</div></a>')

document.writeln('<a href="../geodetic/other.php" class="single"><div class="singleSpacer">Other Links</div></a>')
document.writeln('<a href="../geodetic/main.php" class="single"><div class="singleSpacer">Main</div></a>')
document.writeln('<span class="single" style="background-color:#cccccc"><div class="singleSpacer"><span style="visibility:hidden">EMPTY CELL</span></div></span>')
document.writeln('<span class="single" style="background-color:#cccccc"><div class="singleSpacer"><span style="visibility:hidden">EMPTY CELL</span></div></span>')

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//
//
// EDUCATIONAL RESOURCES MENU
//
//


document.writeln('<div style="width:620px; height:106px; border:1px solid black; background-color:#990000; text-align:center; text-decoration:none; display:none; position:absolute;" id="nav-ed">')

document.writeln('<div style="width:580px; text-align:right; font-style:italic;"><span style="position:absolute; left:0; color:white; margin:0 0 0 20px;" class="b">Educational resources</span><a href="javascript:closeEd()" style="color:white; text-decoration:none">[close menu]</a></div>')

document.writeln('<a href="../education/digital.php" class="double"><div class="doubleSpacer">Digital Libraries/Gateways</div></a>')
document.writeln('<a href="../education/astronomy.php" class="single"><div class="singleSpacer">Astronomy</div></a>')
document.writeln('<a href="../education/biology.php" class="single"><div class="singleSpacer">Biology</div></a>')

document.writeln('<a href="../education/chemistry.php" class="single"><div class="singleSpacer">Chemistry</div></a>')
document.writeln('<a href="../education/computing.php" class="single"><div class="singleSpacer">Computing</div></a>')
document.writeln('<a href="../education/main.php" class="single"><div class="singleSpacer">Earth Science</div></a>')
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document.writeln('<a href="../education/fun.php" class="double"><div class="doubleSpacer">Fun with Earth Sciences</div></a>')
document.writeln('<a href="../education/general.php" class="single"><div class="singleSpacer">General Science</div></a>')
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document.writeln('<a href="../education/physics.php" class="single"><div class="singleSpacer">Physics</div></a>')
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document.writeln('<a href="../education/water.php" class="single"><div class="singleSpacer">Water</div></a>')
document.writeln('<a href="../education/weather.php" class="single"><div class="singleSpacer">Weather</div></a>')

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