| (I16, NE) bell pit |
(G10, W) chains |
(H14, E) coal seam |
| (N15, W) corves |
(G14, NE) drift mine |
(F8, S) exhausted | | (M7, W) explosion | (D11, SE) gas |
(B16, N) George Stephenson |
| (B6, SE) Humphry Davy |
(H6, NE) miner |
(D1, SE) safety lamp |
| (B10, SE) shift |
(K13, NW) steam engine |
(B9, NE) trappers | | (E8, E) ventilation | (J10, N) Wallsend |
(A16, N) Wallsend Colliery |
|