Complex sentence: A small but historic section of the northwestern edge of Grove is physically located in York County and is listed on that county's Historical Resources Survey (as are the former sites of the "lost towns" of Lackey and Magruder).
Split into simpler sentences: A small but historic section of the northwestern edge of Grove is physically located in York County. It is listed on that county's Historical Resources Survey (as are the former sites of the "lost towns" of Lackey and Magruder).