Cliff of Carboniferous sandstone on Pine Creek in Wild Cat Den State Park, Iowa, 1889 <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Geology">Geology</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Wildcat+Den+State+Park+%28Muscatine%2C+Iowa%29">Wildcat Den State Park (Muscatine, Iowa)</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=United+States+--+Iowa+--+Muscatine+County+--+Muscatine">United States -- Iowa -- Muscatine County -- Muscatine</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=1880-1890">1880-1890</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Carboniferous+--+Pennsylvanian">Carboniferous -- Pennsylvanian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Carboniferous+sandstone">Carboniferous sandstone</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Cliffs">Cliffs</a> Calvin, S. (Samuel), 1840-1911 Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale. University of Iowa. Dept. of Geoscience. Paleontology Repository Contact Tiffany Adrain (tiffany-adrain@uiowa.edu) at The University of Iowa Paleontology Repository http://www.uiowa.edu/~geology/paleo 1889 2006-02-22 This digital image may be used for educational purposes, as long as it is not altered in any way. No commercial reproduction or distribution of this file is permitted without permission. Calvin Geological Photographs This digital collection contains the geology-related images originally digitized for the Dept. of Geosciences' Calvin web exhibit: http://www.uiowa.edu/~calvin/calvin.htm . Calvin's images of Iowa City can be viewed in the Iowa City Town and Campus Scenes Digital Collection: http://digital.lib.uiowa.edu/ictcs jpeg 5 7 Still image Photographs 0220 173611416 https://digital.lib.uiowa.edu/ Carboniferous sandstone and shale, showing irregular bedding, Wyoming Hill, Iowa, late 1890s or early 1900s <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Geology">Geology</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=United+States+--+Iowa+--+Muscatine+County+--+Wyoming+Hill">United States -- Iowa -- Muscatine County -- Wyoming Hill</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=190-">190-</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Carboniferous+--+Pennsylvanian">Carboniferous -- Pennsylvanian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Carboniferous+sandstone">Carboniferous sandstone</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Carboniferous+shale">Carboniferous shale</a> Calvin, S. (Samuel), 1840-1911 Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale. University of Iowa. Dept. of Geoscience. Paleontology Repository Contact Tiffany Adrain (tiffany-adrain@uiowa.edu) at The University of Iowa Paleontology Repository http://www.uiowa.edu/~geology/paleo 1895/1910 2006-02-22 This digital image may be used for educational purposes, as long as it is not altered in any way. No commercial reproduction or distribution of this file is permitted without permission. Calvin Geological Photographs This digital collection contains the geology-related images originally digitized for the Dept. of Geosciences' Calvin web exhibit: http://www.uiowa.edu/~calvin/calvin.htm . Calvin's images of Iowa City can be viewed in the Iowa City Town and Campus Scenes Digital Collection: http://digital.lib.uiowa.edu/ictcs jpeg 5 7 Still image Photographs 0222 173611416 https://digital.lib.uiowa.edu/