top of page


Valid historical investigations rely on many information-based resources. This page is provided as an aide to those who wish to conduct these types investigations on an in depth basis.

USGS Historical Topographic Map Explorer

An easy means to discover and download historical topographical maps in the U.S.



A no cost site providing multiple USGS data sets including aerial photography back to 1951


NOAA-Office of Coast Survey-Historical Map & Chart Collection

A ready repository of historical coastal charts for selection and download


Civil War

Cornell University Library-The War of the Rebellion: a Compilation of the Official Records of the Union and Confederate Armies


Internet Archive

Internet Archive is a non-profit library of millions of free books, movies, software, music, websites, and more.


AWOIS- Coast Survey's Automated Wreck and Obstruction Information System .

 Contains information on over 10,000 submerged wrecks and obstructions in the coastal waters of the United States.


Bureau of Land Management-General Land Office Records

The Bureau of Land Management General Land Office Records Automation web site providing live access to Federal land conveyance records for the Public Land States.



Texas State Historical Association

The mission of the Texas State Historical Association (TSHA) is to “foster the appreciation, understanding, and teaching of the rich and unique history of Texas and, by example and through programs and activities, encourage and promote research, preservation, and publication of historical material affecting the state of Texas.”

Includes access to Online Handbook of Texas and Southwest Historical Quarterly (SHQ) archives.

The Portal to Texas History

A gateway to rare, historical, and primary source materials from or about Texas.


The Texas General Land Office Map Store

Searchable Texas maps by county, date, category, or collection. Entire site has a wealth of available knowledge on Texas.


Texas State Archives Map Collection

(Select Image file for digitized maps)


Perry-Castañeda Library Map Collection

An on-line repository of Texas City & Historical Maps, Topographic Maps, and Sanborn Maps


The Papers of Mirabeau Buonaparte Lamar

bottom of page