Spatial Relationships
Identity
Ontology
Geometries
Properties
XX
yes
marker
USCGS ARC CORNER Stone, 1892, DE-PA
monument
South Face: "DELAWARE" + DE Commissioners & surveyor West face: "FIELD WORK EXECUTED BY THE US COAST AND GEODETIC SURVEY" North face: ‘PENNSYLVANIA” + PA commissioners & surveyor East face: “1892”
stone
gps;local knowledge;survey
Q130739313
File:Arc Corner Monument, DE-PA, detail.jpg
Names