Rock Crusher Hill Quarry in Grays Harbor County,, Rock Crusher Hill Quarry map, photos, news, satellite view and comments Rock Crusher Hill Quarry is a Mine in Grays Harbor County, WA. Chat Now; Accident on Rock Crusher Hill closes Hwy 101 road for, City of Ocean Shores, Accident on Rock Crusher Hill closes Hwy 101 road for over 5 hours ...