Coal and the coal mines

by Homer Greene

Smut. See [Blossom.]

Split. A branch of a ventilating air current.

Spread. The bottom width of a slope, drift, tunnel, or gangway between the legs of the timbering.

Squeeze. See [Crush.]

Squib. A powder cracker used for igniting the cartridge in blasting.

Steamboat coal. One of the regular sizes of prepared anthracite.

Stopping. A wall built across an entrance or any passage to control the ventilating current.

Stove coal. One of the regular sizes of prepared anthracite.

Strike. The direction of a line drawn horizontally along any stratum.

Stripping. Mining coal by first removing the surface down to the coal bed; open working.