<![CDATA[Iowa Heritage Digital Collections]]> http://www.iowaheritage.org/items/browse?advanced%5B0%5D%5Belement_id%5D=49&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Trenton+Limestone&output=rss2 Fri, 29 Mar 2024 04:43:06 +0000 publications@silo.lib.ia.us (Iowa Heritage Digital Collections) Zend_Feed http://blogs.law.harvard.edu/tech/rss <![CDATA[Effects of weathering on a bluff of Trenton Limestone, Postville, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/16092

Title

Effects of weathering on a bluff of Trenton Limestone, Postville, Iowa, late 1890s or early 1900s

Description

Located in Twp. 96, R. VI, Section 17, S.E. gr., S.E. 1/4 north of Postville.

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2006-03-09

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

2000
1584
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:18:51 +0000
<![CDATA[Bluffs on Upper Iowa or Oneota River, Decorah, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/16090

Title

Bluffs on Upper Iowa or Oneota River, Decorah, Iowa, late 1890s or early 1900s

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2006-03-09

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

1998
1610
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:18:50 +0000
<![CDATA[Man standing at top of waterfall in Devil's Den, Iowa, late 1890's or early 1900s]]> http://www.iowaheritage.org/items/show/15421

Title

Man standing at top of waterfall in Devil's Den, Iowa, late 1890's or early 1900s

Description

"Devil's Den" located at Twp. 99, R. V, Section 19, N.W. gr., N.E. 1/4, N.E. corner.

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2006-03-09

Rights

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.

Relation

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,7713

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

1995
254
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:16:27 +0000
<![CDATA[Cliff of Trenton Limestone, crowned with pines, Cold Water Spring Preserve, Bluffton, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/15247

Title

Cliff of Trenton Limestone, crowned with pines, Cold Water Spring Preserve, Bluffton, Iowa, late 1890s or early 1900s

Description

Bluffton, above; top of bluff at Cold Spring

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2005-08-10

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

cpc64.jpg
0064
1591
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:15:29 +0000
<![CDATA[Ledge of Trenton Limestone showing effects of weathering, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/15240

Title

Ledge of Trenton Limestone showing effects of weathering, late 1890s or early 1900s

Description

Located at Twp. 96, R. W. Section 32, N. W. gr., N. W. 1/4.

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2005-08-10

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs

Identifier

cpc61.jpg
0061
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:15:26 +0000
<![CDATA[Patterson's Spring ravine cut in limestone and shales, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/15237

Title

Patterson's Spring ravine cut in limestone and shales, Iowa, late 1890s or early 1900s

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2005-08-09

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs

Identifier

cpc72.jpg
0072
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:15:25 +0000
<![CDATA[Small spring in Trenton Limestone, west of Devil's Den, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/15217

Title

Small spring in Trenton Limestone, west of Devil's Den, Iowa, late 1890s or early 1900s

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2005-08-09

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

0039
1609
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:15:18 +0000
<![CDATA[Gorge at Pinney's Spring, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/15199

Title

Gorge at Pinney's Spring, Iowa, late 1890s or early 1900s

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2005-08-01

Rights

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.

Relation

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,7715

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

cpc14.jpg
0014
1585
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:15:13 +0000
<![CDATA[Cliff of Trenton Limestone on the Oneota River, Bluffton, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/15193

Title

Cliff of Trenton Limestone on the Oneota River, Bluffton, Iowa, late 1890s or early 1900s

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2005-08-01

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

cpc9.jpg
0009
1604
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:15:11 +0000
<![CDATA[Cliff of Trenton Limestone in Cold Water Spring State Preserve, Bluffton, Iowa, late 1890s or early 1900s]]> http://www.iowaheritage.org/items/show/15192

Title

Cliff of Trenton Limestone in Cold Water Spring State Preserve, Bluffton, Iowa, late 1890s or early 1900s

Creator

Calvin, S. (Samuel), 1840-1911

Source

Photographs scanned using Epson Expression 1680 scanner at 300 ppi, 8-bit greyscale.

Publisher

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

Date

1895/1910
2005-08-01

Rights

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.

Relation

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

Format

jpeg
5
7

Type

Still image
Photographs; Dry collodion negatives

Identifier

cpc19.jpg
0019
1592
173611416
https://digital.lib.uiowa.edu/
http://128.255.22.135/cgi-bin/thumbnail.jpg
]]>
Tue, 23 Oct 2012 16:15:10 +0000