Assertion: marble | /r/HasProperty | a descent of 1,300 feet
Facets:
Source sentences:
text: Once marble was out of the quarry, it was lowered onto CYMC transport for movement down to Marble, a descent of 1,300 feet (400 m) over 3.9 miles (6.3 km) with grades up to 54% (17% starting in 1910).