Blackrock, Pennsylvania
Encyclopedia
Blackrock is an unincorporated community in York County, Pennsylvania
, United States
. Blackrock is located near the Mason-Dixon Line
approx. 1 mile northwest of the town of Lineboro
.
York County, Pennsylvania
York County is a county in the U.S. state of Pennsylvania. As of 2010, the population was 434,972. It is in the Susquehanna Valley, a large fertile agricultural region in South Central Pennsylvania....
, United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
. Blackrock is located near the Mason-Dixon Line
Mason-Dixon line
The Mason–Dixon Line was surveyed between 1763 and 1767 by Charles Mason and Jeremiah Dixon in the resolution of a border dispute between British colonies in Colonial America. It forms a demarcation line among four U.S. states, forming part of the borders of Pennsylvania, Maryland, Delaware, and...
approx. 1 mile northwest of the town of Lineboro
Lineboro, Maryland
Lineboro is an unincorporated community located in northeastern Carroll County, Maryland, in the United States. The community was named for its location on the Mason-Dixon Line.-History:...
.