Ohio Photos

1812 African Elephant Skeleton

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1812 American Mastodon Jefferson Mammoth

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Wright Brothers' Bicycle Shop

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Oil Barge On Ohio River

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Natural Gas Pipeline Construction

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Wright Model H Airplane

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Oil Barge On Ohio River #3

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Canal Lock

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Analogue Computer

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Cuyahoga Valley National Park #9

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Cuyahoga Valley National Park #8

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Cuyahoga Valley National Park #11

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Eugenics Research #1

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Rubber Tyre Industry

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Wright Flyer II-iii And Catapult

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Supersonic Plane Concept Testing

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Pretzel Slime Mould

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Police Dog Training #1

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Gold Panning #1

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Orville Wright In His Bicycle Workshop

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Wright Flyer II

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Ohio And Erie Canal

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Ohio And Erie Canal #1

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Ohio And Erie Canal #2

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Ohio And Erie Canal #3

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Oil Barges On Ohio River

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Oil Barge On Ohio River #1

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Coal Barge On Ohio River

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Oil Barge On Ohio River #2

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Coal Barge On Ohio River #1

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Oil Barge On Ohio River #4

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Chesapeake And Ohio Canal

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Ohio River Flood Wall

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Cuyahoga Valley National Park #13

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Cuyahoga Valley National Park #4

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Car Transmission Assembly Line

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Aerogel Research

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Fernald Preserve

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Disposal Of Fracking Waste

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Anti-fracking Protest

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Automobile Engineering Research

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Blast Furnaces

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Car Production Assembly Line

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Anti-fracking Protest #1

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Blast Furnace #2

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Cargo Ship Rudder

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Intern Working At A Car Factory

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Car Production Assembly Line #1

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Mathematics Lesson

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Coal-fired Power Station #1

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French And Indian War Map

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Harvest On An Amish Farm

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American Football Manufacturing

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Engineering Academy Student

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School Computer Lesson

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Blast Furnaces #1

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American Football Manufacturing #1

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American Football Manufacturing #2

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Mathematics Lesson #1

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Ss Colonel James M. Schoonmaker

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Car Production Assembly Line #4

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Engineering Academy Robotics Students

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William Starling Sullivant

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Cuyahoga Valley National Park #10

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Seed Company Crop Demonstration Plot

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Franklin Silk Company Bank Note

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Engineering Academy Student #1

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Calcite Crystals

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Grain Elevator

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Robotics Technology Lesson

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Disposal Of Fracking Waste #1

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Blast Furnace #11

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