Assertion: coal mining | /r/CapableOf | date to roman times
Facets:
value: probably
type: DEGREE
Source sentences:
text: Coal mining in the United Kingdom probably dates to Roman times; coal production increased significantly during the Industrial Revolution in the 19th century and peaked during World War I. As a result of its long history with coal Britain's economically recoverable coal reserves have decreased, and more than twice as much coal is now imported than produced.