State Library of Iowa
Advanced Search
About IHDC
Copyright and Ownership
History
Participating Institutions
Welcome to the Iowa Heritage Digital Collections
Browse Collections
Exhibits
Contact Us
For Depositors
Collection Development Policy
Contact Us
Digitization Resources for participants in the Iowa Heritage Digital Collections
Omeka Directions: Adding Items to Omeka
Funding Resources
Steps to Participation
Dublin Core and Item Type Metadata descriptions
Required Dublin Core Fields for Items
Search Help
Image Help
Collection: Calvin Geological Photographs
Browse Items (748 total) for Calvin Geological Photographs
Browse All
Browse by Tag
Search Items
First
Previous
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Next
Last
Sort by:
Title
Creator
Date Added
Cliff of Trenton Limestone on the Oneota River, Bluffton, Iowa, late 1890s or early 1900s
Sixty foot high bluff of Oneota (massive above) with cherty partings at base, Iowa, late 1890s or early 1900s
Located in the R.W. Section 16, S.W. gr., N.E. 1/4.
Overlying Saint Croix sandstone, fold and dip shows beyond Bridge, dark line above railway marking the base of the Oneota, Quandahl, Iowa, late 1890s or early 1900s
Shearing, Specht's Ferry, Iowa, late 1890s or early 1900s
Man in front of section of Maquoketa shales, Graf, Iowa, late 1890s or early 1900s
Located west of Graf.
Bluff, Iowa, late 1890s or early 1900s
Located in Twp., 100, R.W. Section 14, N.W. gr., S. 1/2.
Gorge at Pinney's Spring, Iowa, late 1890s or early 1900s
Galena Limestone at level of "Cap Rock", Dubuque, Iowa, late 1890s or early 1900s
Effect of geological structure on topography, Graf, Iowa, late 1890s or early 1900s
Castles of limestone in driftless area near line of Illinois Central Railroad, Dubuque, Iowa, late 1890s or early 1900s
First
Previous
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Next
Last
Output Formats
atom
,
csv
,
dcmes-xml
,
json
,
omeka-xml
,
rss2