. . . "300"^^ . . . "Black Heath was a house and coal mine located along the Old Buckingham Road in the present Midlothian area of Chesterfield County, Virginia. The Black Heath coal mining enterprises were operated by the Heth family between 1785 and 1844, when the mine closed following a fatal explosion."@en . . . . . . . . . . . "Black Heath"@en . . . . "unknown"@en . . . . . . . "37.516472 -77.638083" . . "Black Heath was a house and coal mine located along the Old Buckingham Road in the present Midlothian area of Chesterfield County, Virginia. The Black Heath coal mining enterprises were operated by the Heth family between 1785 and 1844, when the mine closed following a fatal explosion."@en . . . . . "-77.63808441162109"^^ . "600"^^ . . . . . . . . . . "325"^^ . "This 1888 map shows the location of the Black Heath mines south of present day Robious Road east of the Salisbury House between the Coalfield Station and Robious Station on the Richmond and Danville rail line."@en . . . . "Black Heath"@en . . . . . . . . . . . "unknown (1790s to 1800s)" . "POINT(-77.638084411621 37.516471862793)"^^ . . "10975930"^^ . . . . . . . . . . "1118371794"^^ . . . . . . . "Black Heath"@en . "1900.0"^^ . . . . . . . . . . . . . "right"@en . . . . . . . . . "2000"^^ . "37.51647186279297"^^ . . "900"^^ . . "38797"^^ . . . . . .