Washington County Maps
Starting in 1907, the Pennsylvania Land Office began a project to research the original surveys and locate them once and for all on maps of current townships. Over many years, each Township Warrantee Map was painstakingly platted by draftsmen from the original warrants, surveys, and patents. The maps show precise outlines of each original tract and all surrounding tracts in the township, giving the names of the warrantee and patentee; dates of the warrant, survey, and patent; and the patent book and page of the recorded patent.
This Washington County atlas contains one chapter for each of the county's 33 townships. Each chapter begins with the Township Warrantee Map reduced to 8 ½ X 11" with an atlas coordinate grid superimposed on the map and is followed by all of the information found on the map (sample page).
The large images (averaging about 3' X 4') without coordinates are contained on a companion CD available for a nominal price.
When you find your ancestors' tracts, your first step is to check two sources for details about their lives: (1) Boyd Crumrine's 1882 History of Washington County, PA which has an absolute wealth of information about early residents, and (2) the University of Pittsburgh/Historical Society of Western Pennsylvania's online library which has 512 books on Pennsylvania history online, completely searchable. Click here to go to the order form.
If your ancestors were present in Washington County in the later 1800's, use Caldwell's Historical Atlas of Washington Co. of 1876 in conjunction with Crumrine's 1882 history.
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