Menu Expand Menu Close
Back to Top
Filter Search Expand Close Filter
Search Expand Search Close

Search Constraints

Start Over
You searched for: Date ca. 1940-1950 Remove constraint Date: ca. 1940-1950 Projects West Virginia History OnView Remove constraint Projects: West Virginia History OnView Topical Subjects Coal miners. Remove constraint Topical Subjects: Coal miners. Topical Subjects Boring. Remove constraint Topical Subjects: Boring.
1 entry found
Number of results to display per page

Search Results

Miners drill two or more holes into coal to place the explosive charges.

1. Drilling Prior to Setting Explosives

IDNO:
003060
Title:
Drilling Prior to Setting Explosives
Date:
ca. 1940-1950
Description:
Miners drill two or more holes into coal to place the explosive charges.