Coal tools safety.

Creator Corporate Names:

Kennametal. Mining Tool Group.

Title:

Coal tools safety.

Call Number:

P18962

Date:

1978

Description:

Pamphlet.

Subject Topical:

Mine roof bolting--Safety measures., Coal-mining machinery--Safety measures., Coal augers--Safety measures., Mining machinery--Safety measures., Bits (Drilling and boring)--Safety measures., Coal mines and mining--Safety measures.