From introduction: "The Bureau of Mines calls attention to the dangers of open-flame lamps in any coal mine.
Report issued by the Bureau of Mines discussing safety measures adopted by mining operations in the ...
From Introduction: "The United States Department of the interior, Bureau of Mines, is not only inter...
From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much...
From Introduction: "The purpose of this Bulletin, in addition to presenting a history and descriptio...
From Introduction: "As part of the investigations of the cause of mine accidents and of the safest a...
Introduction: "This bulletin abstracts and reviews essential details of reports on 59 fires in diffe...
From Introduction: "This bulletin, which is arranged in three parts, treats of the causes and preven...
From Introduction: "However, before the flame lamp becomes obsolete, it is fitting that the Bureau o...
From Introduction: " As the subject of oil and gas is necessarily broad, no attempt is made in this ...
From Introduction: "This bulletin is published by the bureau primarily for persons who seek informat...
From Introduction: "This paper gives a brief account of the introduction of electric lighting in min...
From Introduction: "The investigation described in this bulletin was undertaken by the Bureau of Min...
From Introduction: "This report has been prepared, not only for the purpose of recoding the results ...
From Introduction: "The Bureau of Mines has received many requests for information concerning the me...
From Introduction: "The purpose of this bulletin is to present a general review of the subject of fl...
Report issued by the Bureau of Mines discussing safety measures adopted by mining operations in the ...
From Introduction: "The United States Department of the interior, Bureau of Mines, is not only inter...
From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much...
From Introduction: "The purpose of this Bulletin, in addition to presenting a history and descriptio...
From Introduction: "As part of the investigations of the cause of mine accidents and of the safest a...
Introduction: "This bulletin abstracts and reviews essential details of reports on 59 fires in diffe...
From Introduction: "This bulletin, which is arranged in three parts, treats of the causes and preven...
From Introduction: "However, before the flame lamp becomes obsolete, it is fitting that the Bureau o...
From Introduction: " As the subject of oil and gas is necessarily broad, no attempt is made in this ...
From Introduction: "This bulletin is published by the bureau primarily for persons who seek informat...
From Introduction: "This paper gives a brief account of the introduction of electric lighting in min...
From Introduction: "The investigation described in this bulletin was undertaken by the Bureau of Min...
From Introduction: "This report has been prepared, not only for the purpose of recoding the results ...
From Introduction: "The Bureau of Mines has received many requests for information concerning the me...
From Introduction: "The purpose of this bulletin is to present a general review of the subject of fl...
Report issued by the Bureau of Mines discussing safety measures adopted by mining operations in the ...
From Introduction: "The United States Department of the interior, Bureau of Mines, is not only inter...
From Introduction: "In connection with the fuel investigations conducted by the Bureau of Mines much...