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Audio Files from Ohio's Outdoor Notebook |
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| Cultural Geology |
Blast Furnaces
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Blast Furnaces, 2/03/2009
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Hope Furnace, 2/06/2006
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Diamonds
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Diamonds in Ohio, 9/24/2004
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Geologic Regions of Ohio
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The Five Regions of Ohio, 8/16/2002
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Shipwrecks |
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| Energy & Industrial Mineral Resources |
Abandoned Coal Mines |
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Unregulated & Abandoned Mines, 4/16/2008
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Help Us Locate Abandoned Mines, 8/24/2005
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Clay and Shale |
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Clay and Shale, 2/19/2003
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Ohio Shale, 2/10/2005
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Coal |
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Formation of Coal, 9/28/2001
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Origins and Use - Part 1, 1/29/2008
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Origins and Use - Part 2, 9/14/2009
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Ohio's Coal Resources, 9/29/2008
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Mining History, 3/19/2001
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Perry County & Ohio's First Coal Mine, 12/10/2001
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Mining Industry, 1/16/2003
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Little Cities of Black Diamonds, 1/18/2008
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Fires; New Straitsville Coal Mine Fire, 9/13/2010
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Underground Fossil Forest, 7/12/2007
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Limestone |
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Limestone in Ohio
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Mine Subsidence |
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Insurance for Mine Subsidence, 10/18/2007
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Real Estate Warning, 4/07/2008
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Oil |
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Oil Formation, 1/16/2003
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Oil, a Fossil Fuel, 12/19/2006
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Oil Byproducts, 1/16/2003
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Oil Wells, 2/11/2001
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Salt |
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Salt - Part 1, 12/13/2002
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Salt - Part 2, 1/19/2006
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Salt - Part 3, 7/10/2008
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Road Salt, 11/30/2000
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Salt Supplies, 3/3/2003
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Sandstone |
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Berea Sandstone, 3/11/2008
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Fossils
(See more in: Fossils of Ohio, Bulletin 70.)
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The Importance of Fossils
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Importance of Fossils in Ohio, January 2002
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Fossil Hunting |
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Fossil Hunting Regions, 12/23/2002
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About Fossils of Ohio |
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Cockroach, 2/05/2002
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Crinoid, 2/10/2005
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Dunkleosteous: Cleveland's Extinct Big Fish, 7/30/2001
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Edrioasteroids: Cincinnatian's Official Fossil, 6/30/2010
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Horn Corals, 6/02/2005
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Mammoths and Mastodons, 4/02/2001
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MastodonTooth, 3/24/2004
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Micro Fossils, 7/25/2002
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Sloths, 12/06/2002
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Trilobite: Ohio's Official State Fossil, 4/14/2004
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Trilobites - Introduction, 12/20/2000
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Trilobites - More, 4/20/2007
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| Geohazards |
Abandoned Mine Lands |
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Unregulated & Abandoned Mines, 4/16/2008
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Help Us Locate Abandoned Mines 8/24/2005
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Underground Coal Fires; New Straitsville Mine Fire, 9/13/2010
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Earthquakes |
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Earthquake Probability and Preparedness in Ohio, 3/10/2010
A WOSU Radio broadcast of the March 10, 2010, show "All Sides with Ann Fisher." This episode features an interview with ODNR Division of Geological Survey Assistant Chief Mac Swinford and Ohio Seismic Network Coordinator Mike Hansen, along with Ohio Board of Building Standards Architect Administrator Steve Regoli. Courtesy of WOSU Radio. Running time: 52.5 minutes (file size 37 MB).
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The Great Anna Earthquake of 1937, 2/22/10
See Anna earthquake video at the top of this page for more.
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New Madrid Fault - Part 1, 11/04/2002
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New Madrid Fault - Part 2, 3/11/2005
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Northeast Earthquakes - Part 1, 3/03/2003
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Northeast Earthquakes - Part 2, 5/06/2005
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Ashtabula County Quakes, 2/26/2001
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Karst |
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Karst Formations (Sink Holes), 12/17/2001
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Landslides |
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Ohio Landslides: How and Where, 9/24/2007
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Ohio Landslides Proccess, 7/26/2002
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Mine Subsidence |
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Insurance for Mine Subsidence, 10/18/2007
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Real Estate Warning, 4/07/2008
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| Glaciers and Ice Ages |
Ancient Rivers |
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Teays River (Part 1) 5/23/2001
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Teays River (Part 2) 1/03/2006
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Glacial Features - Rocks |
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Kelleys Island - Natural Wonders, 7/30/2007
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Kelleys Island - Glacial Grooves, 9/10/2001
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Glacial Features - Till and Soils |
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Glaciers Created Ohio's Till Soils 2/07/2002
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Ice Ages |
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Global Ice Ages, 5/20/2004
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Glaciers in Ohio, 1/03/2005
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Ice Age Animals and Plants, 5/30/2003
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| Maps |
Bedrock Maps |
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The Bedrock Map of Ohio, 7/29/2004
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Drift Thickness Maps |
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Drift Thickness, 7/15/2004
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Geologic Maps |
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Geologic Maps, 1/26/2007
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Maps of the First Survey |
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The First Survey, 1/16/2003
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Topographic Maps |
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Topographic Maps - Part 1, 11/18/2002
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Topographic Maps - Part 2, 11/07/2003
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| Natural Wonders & Geologic Features |
Bellefontaine Outlier
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How Did It Get There?, 6/16/2004
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Blackhand Sandstone
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It's Beauty and Name, 5/14/2001
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Caves, Sink Holes, & Caverns |
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Caves, 2/07/2002
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Caverns, 7/12/2007
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Cave Research, 7/27/2007
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Karst (Sink Holes), 12/17/2001
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Geologic Time and Regions of Ohio
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Ohio Geologic Histroy, 2/11/2001
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Ohio Geologic Time Line, 10/22/2001
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The Five Regions of Ohio, 8/16/2002
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Glacial Grooves |
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Kelleys Island - Natural Wonders, 7/30/2007
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Kelleys Island - Glacial Grooves, 9/10/2001
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Lakes |
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Natural Lakes, 3/24/2008
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Lake Erie Evolution, 7/23/2001
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Meteor Impact Craters |
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Serpent Mound Meteorite Impact, 4/24/2006
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Natural Arches |
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Ohio's Natural Arches, 2/26/2008
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| Rocks and Minerals |
Diamonds |
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Diamonds in Ohio: A Truly Rare Find, 9/24/2004
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Flint |
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Flint - Part 1, 1/19/2001
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Flint - Part 2, 7/10/2006
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Geodes |
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What Geodes Are and How They Form, 8/30/200
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Gold |
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Gold in Ohio, 5/19/2010
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Panning for Gold - Part 1, 6/08/2001
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Panning for Gold - Part 2, 10/23/2002
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Rocks and Minerals of Ohio |
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Rocks and Minerals of Ohio, 3/28/2002
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Core Repository (A Library of Rocks) |
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Drilled Rock Core Sample Repositry, 8/02/2004
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