Quarry in Devonian limestone, Cedar Valley Stage, showing two parallel joints, Iowa City, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Paleozoic+--+Devonian">Paleozoic -- Devonian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Cedar+Valley+Formation">Cedar Valley Formation</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Quarrying">Quarrying</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 2007-11-30 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 View related article: http://cdm.lib.uiowa.edu/u?/digs,6540 jpeg 5 7 Still image Photographs; Dry collodion negatives cpc85.jpg 0085 1473 173611416 https://digital.lib.uiowa.edu/ Men in quarry in Devonian limestone, Cedar Valley Stage, Iowa City, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Paleozoic+--+Devonian">Paleozoic -- Devonian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Cedar+Valley+Formation">Cedar Valley Formation</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=People">People</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Quarrying">Quarrying</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 2007-11-29 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 View related article: http://cdm.lib.uiowa.edu/u?/digs,6540 jpeg 5 7 Still image Photographs; Dry collodion negatives 0088 1472 173611416 https://digital.lib.uiowa.edu/ Quarry in Devonian Limestone, near Iron Bridge, northwest of North Liberty, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Paleozoic+--+Devonian">Paleozoic -- Devonian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Cedar+Valley+Formation">Cedar Valley Formation</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Quarrying">Quarrying</a> Located in Twp. 81, R. VII, Section 22 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 2005-08-09 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 cpc92.jpg 0092 173611416 https://digital.lib.uiowa.edu/ Cedar Valley Stage limestone with lentincular masses included between the strata, Iowa City, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Paleozoic+--+Devonian">Paleozoic -- Devonian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Cedar+Valley+Formation">Cedar Valley Formation</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 2005-08-10 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; Dry collodion negatives cpc89.jpg 0089 1475 173611416 https://digital.lib.uiowa.edu/ Old Capitol Quarry, Iowa City, 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=Old+Capitol+Quarry+%28Iowa+City%2C+Iowa%29">Old Capitol Quarry (Iowa City, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Paleozoic+--+Devonian">Paleozoic -- Devonian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Quarrying">Quarrying</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 2005-08-10 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 cpc90.jpg 0090 173611416 https://digital.lib.uiowa.edu/ Contact of Carboniferous with Devonian showing unconformity, Iowa City, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Paleozoic+--+Devonian">Paleozoic -- Devonian</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 2005-08-10 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 View related article: http://cdm.lib.uiowa.edu/u?/digs,6556 jpeg 5 7 Still image Photographs; Dry collodion negatives cpc93.jpg 0093 1441 173611416 https://digital.lib.uiowa.edu/ Hutchinson's Quarry, Iowa City, 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=Hutchinson%27s+Quarry+%28Iowa+City%2C+Iowa%29">Hutchinson's Quarry (Iowa City, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=1890-1900">1890-1900</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Paleozoic+--+Devonian">Paleozoic -- Devonian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Quarrying">Quarrying</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 1896 2005-09-08 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 View related article: http://cdm.lib.uiowa.edu/u?/digs,6540 jpeg 5 7 Still image Photographs; Dry collodion negatives cpc101.jpg 0101 1474 173611416 https://digital.lib.uiowa.edu/ Iowa River and bluff above Turkey Creek, Iowa City, 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=Iowa+River+%28Iowa%29">Iowa River (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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Paleozoic+--+Devonian">Paleozoic -- Devonian</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Rivers">Rivers</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> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Turkey+Creek+%28Iowa%29">Turkey Creek (Iowa)</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 2006-02-17 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 0120 173611416 https://digital.lib.uiowa.edu/ Terrill Mill and Old Mill Road next to the Iowa River north of Iowa City, 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=Terrill+Mill+%28Iowa+City%2C+Iowa%29">Terrill Mill (Iowa City, 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</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=Rivers">Rivers</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Mills">Mills</a> Nipher, Francis E. (Francis Eugene), b. 1847 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 2006-03-06 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 0300 173611416 https://digital.lib.uiowa.edu/ Geology Club on the steps of Old Science Hall, The University of Iowa, May 24, 1916 <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=University+of+Iowa">University of 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+--+Johnson+County+--+Iowa+City">United States -- Iowa -- Johnson County -- Iowa City</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=1910-1920">1910-1920</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=People">People</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Clubs">Clubs</a> <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Universities+%26+colleges">Universities & colleges</a> unknown 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 1916-05-24 2006-03-27 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; Dry collodion negatives 4577 8364 173611416 https://digital.lib.uiowa.edu/