The Yorktown-Mt. Pleasant Township Historical Alliance Collection includes 194 photographs and newspaper clippings from the organization's collections. The materials document the history of Yorktown and Mt. Pleasant Township, Indiana from 1888 to 2007.

Founded in 2004, the mission of the Yorktown-Mt. Pleasant Township Historical Alliance is to create a physical destination for community historical artifacts to be displayed and enjoyed by the community and community resource for school age children, college students, and others to engage in research for further education. This digital collection is a collaborative project between Ball State University Libraries and the Yorktown-Mt. Pleasant Township Historical Alliance.

To contact the Yorktown-Mt. Pleasant Township Historical Alliance, call 765-759-6119 or email yktmpthistory@yahoo.com.