Control of dust from drilling and blasting operation: Fid-Bau Portal

Control of dust from drilling and blasting operation

Sayers, R.R.

From 26-p circular entitled "Pulmonary Diseases in Mining Industry," indexed in Engineering Index 1941 p 813, from U S Bur Mines -- Information Cir n 7146 Feb 1941. (Cement ill Sec)

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Control of dust from drilling and blasting operation

Sayers, R.R.

Abstract

From 26-p circular entitled "Pulmonary Diseases in Mining Industry," indexed in Engineering Index 1941 p 813, from U S Bur Mines -- Information Cir n 7146 Feb 1941. (Cement ill Sec)

Control of dust from drilling and blasting operation

Sayers, R.R.

Abstract

From 26-p circular entitled "Pulmonary Diseases in Mining Industry," indexed in Engineering Index 1941 p 813, from U S Bur Mines -- Information Cir n 7146 Feb 1941. (Cement ill Sec)