The approximated of salt in Philadelphia would be around 4,650 cubic feet. This is just an estimate.
Philadelphia's location is 39° 57' 04.89" N - 75° 09' 57.26" W
Your question is meaningless, there is either an absolute logation (x/y point) or an approximate location(near the house on the corner), there can not be an "approximate absolute" location.
North American Continent.
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
40 degrees north, 75 degrees west
Approximate location of what, exactly?
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"
Latitude: N 39° 57' 9.3024" / Longitude: W 75° 9' 54.7992"