contour interval

URI: https://gptkb.org/prop/contour_interval
3 triples
GPTKB property
Random triples
Subject Object
gptkb:USGS_Kaaterskill_High_Peak_Quadrangle 20 feet
gptkb:USGS_Mount_Yale_Topographic_Map 40 feet
gptkb:USGS_Mount_Eddy_Quadrangle 40 feet