Menu
Explore all content
Explore the content of this site using the filters below to display different categories of information – Item Types, and their sub categories.
When you are looking for specific items of interest, use the search tools; enter keywords in the basic search on the landing page or in the header, or the Search page where you can enter keywords and define search parameters.
When you are looking for specific items of interest, use the search tools; enter keywords in the basic search on the landing page or in the header, or the Search page where you can enter keywords and define search parameters.
Filter by
- Map25
- Creator...
- Alvin Jewett Johnson, 1827-1884 1
- August Petermann, 1822-1878 1
- C.E. Erickson 1
- Emanuel Bowen, -1787 1
- G.W. and C.B. Colton and Company 1
- Gaylord Watson 1
- George N. Colby & Co. 1
- Henry Schenck Tanner, 1786-1858 1
- Herbert Eugene Bolton, 1870-1953 1
- Herman Ehrenberg, 1816-1866 2
- Hermann Habenicht, 1844-1917 1
- Johnson & Browning 1
- Johnson and Ward 1
- Joseph Hutchins Colton, 1800-1893 2
- Kansas Pacific Railway Company 1
- New York Journal of Commerce 1
- R.B. Marcy 1
- Sidney Hall 1
- Union Pacific Railroad Company 1
- United States Army Corps of Engineers 2
- United States Department of the Interior 2
- United States Exploring Expedition (1838-1842) 1
- William Jackson Palmer, 1826-1909 1
Show More - Agency...
- Creator...
Nothing was found
Remove All Filters
Add or Restrict Keywords
Use these options to add or remove words from your search:
AND - the term must be included in any item returned.
OR - the term may be included in any item returned, but does not have to be present. Always relates to the previous keyword/s.
*Cannot follow after NOT.
NOT - the term must not be included in any item returned. Always refers only to this keyword.
*Cannot be followed by OR
To remove a keyword – click X.
To return to your original search terms – click Clear.
Update search
Clear
