Disambiguation evidence for USGS topographic maps via surface form
"USGS 7.5-minute quadrangle"
Triples (1)
Triples where some other subject referred to this entity
as "USGS 7.5-minute quadrangle".
Disambiguation evidence for USGS topographic maps via surface form
Triples where some other subject referred to this entity
as "USGS 7.5-minute quadrangle".