Mine ventilation.

2026-04-13T23:22:49Z

Creator Personal:

Harrington, D. (Daniel), 1878-

Title:

Mine ventilation.

Call Number:

P19469

Date:

1939

Description:

Serial issue. Issued as: United States. Bureau of Mines. Information circular, 7047 (1939:Jan.).

Subject Topical:

Mine ventilation., Mine dusts., Air--Purification.

All:

Mine ventilation., Air--Purification., Mine dusts.