Photograph details:
Location: U.S., Iowa, Jones Co.; Stone City.
Geologic Age: Silurian, Niagaran, Anamosa Stage.
Photographed by: Samuel Calvin. Lantern Slide No. 1527.
Photograph No. 129
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Photograph details:
Location: U.S., Iowa, Jones Co.; Olin.
Geologic Age: Silurian, Niagaran.
Photographed by: Samuel Calvin. Lantern Slide No. 1542.
Photograph No. 131
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Photograph details:
Location: U.S., Iowa, Jones Co.; Keystone Mills, a few miles west of.
Geologic Age: Silurian, Niagaran Limestone.
Photographed by: Samuel Calvin. Lantern Slide No. 101.
Photograph No. 161
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Photograph details:
Location: U.S., Iowa, Jones Co.; Stone City.
Photographed by: Samuel Calvin. Lantern Slide No. 1525.
Photograph No. 165
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Photograph details:
Location: U.S., Iowa, Jones Co.; Hale, near;.
Geologic Age: Silurian, Niagaran Limestone.
Photographed by: Samuel Calvin.
Photograph No. 170
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Location: U.S., Iowa, Jones Co.; Stone City Quarry.
Geologic Age: Silurian, Niagaran Limestone.
Photographed by: Samuel Calvin, October 19, 1895. Lantern Slide No. 1524.
Photograph No. 174
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Photograph details:
Location: U.S., Iowa, Jones Co.; Wapsipinicon River, left bank of; above Newport.
Geologic Age: Silurian, Niagara Limestone.
Photographed by: Samuel Calvin.
Photograph No. 175
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Location: U.S., Iowa, Jones Co.; Champion Quarry.
Photographed by: Samuel Calvin, October 19, 1895. Lantern Slide No. 1526.
Photograph No. 184
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Photograph details:
Location: U.S., Iowa, Jones Co.; Clay Mills.
Geologic Age: Silurian, Niagara Limestone.
Photographed by: Samuel Calvin.
Photograph No. 190
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Photograph details:
Location: U.S., Iowa, Jones Co.; Clay Mills.
Geologic Age: Silurian, Niagara Limestone.
Photographed by: Samuel Calvin. Lantern Slide No. 1547.
Photograph No. 191
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Photograph details:
Location: U.S., Iowa, Jones Co.; Oxford Mills, on Wapsipinicon River.
Photographed by: Samuel Calvin. Lantern Slide No. 2420.
Photograph No. 192
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Photograph details:
Location: U.S., Iowa, Jones Co.; Monticello, 6 miles southeast of.
Geologic Age: Silurian, Niagara Limestone.
Photographed by: Samuel Calvin.
Photograph No. 547
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Photograph details:
Location: U.S., Iowa, Jones Co.; Jackson Twp., Section 24, just south of.
Photographed by: E.T. Apfel, July 8, 1924. Lantern Slide No. 4484.
Photograph No. 893
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Photograph details:
Location: U.S., Iowa, Jones Co.; Wayne Twp., looking east, near middle of north line of Section 30.
Geologic Age: Pleistocene, Kansan gumbotil.
Photographed by: Earl T. Apfel, July 8, 1924. Lantern Slide No. 5691.
Photograph No. 911
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Photograph details:
Location: U.S., Iowa, Jones Co.; Wayne Twp., view looking southwest, near middle of north line of Section 30.
Geologic Age: Pleistocene, Kansan gumbotil.
Photographed by: Earl T. Apfel, July 8, 1924. Lantern Slide No. 5698.
Photograph No. 918
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Photograph details:
Location: U.S., Iowa, Jones Co.; Wayne Twp., view looking east near middle of north line of Section 30.
Geologic Age: Pleistocene, Iowan till & Kansan gumbotil.
Photographed by: Earl T. Apfel, July 8, 1924. Lantern Slide No. 1088.
Photograph No. 925
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Photograph details:
Location: U.S., Iowa, Jones Co.; West of corner of sections 20, 21, 28, and 29.
Photographed by: Earl T. Apfel, June 18, 1925. Lantern Slide No. 6157.
Photograph No. 7190
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Photograph details:
Location: U.S., Iowa, Jones Co.; Madison Twp., just west of the corner of sections 20, 21, 28, and 29.
Photographed by: Earl T. Apfel, June 18, 1925. Lantern Slide No. 6156.
Photograph No. 7190a
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Photograph details:
Location: U.S., Iowa, Jones Co.; Madison Twp., just west of the corner of sections 20, 21, 28, and 29.
Photographed by: Earl T Apfel, June 18, 1925. Lantern Slide No. 6157.
Photograph No. 7190b
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