The phrase identifies a specific cartographic representation focused on the Northern Virginia region, created by an individual or entity named Boschke. Such a map likely provides detailed geographic information, potentially including roadways, landmarks, political boundaries, and possibly topographic features specific to that area.
These cartographic documents are valuable resources for various purposes. They aid in navigation, urban planning, historical research, and property assessment. The accuracy and level of detail depicted determine the utility of the representation for tasks ranging from basic orientation to complex spatial analysis. Historical versions offer insights into past landscapes and development patterns.