King County, Washington : coal mine hazards

Description

King County, Washington coal mine hazards. The King County Sensitive Areas Ordinance (SAO) defines coal mine hazard areas as those areas directly underlain by or adjacent to or affected by abandoned coal mine workings such as adits (a nearly horizontal entrance to a mine), drifts (a secondary passageway between two main shafts) tunnels, or air shafts.

Publisher

King County GIS Center

Place(s)

Washington and King County

Subject(s)

Municipal, Mines and mineral resources, Coal mines and mining, Abandoned coal mines, Hazard mitigation, geoscientificInformation, and environment

Year

2003-01-01T01:01:01Z

Held by

Harvard