Cover Image

Rock-dusting in coal mines of the State of Washington / by S.H. Ash and John G. Schoning.

Saved in:

Bibliographic Details
Online Access:	Search for the full-text version of this title in HathiTrust
Main Author:	Ash, S. H. (Simon Harry), 1889-
Corporate Author:	United States. Bureau of Mines
Other Authors:	Schoning, John G.
Other title:	Technical report archive and image library.
Format:	Government Document Book
Language:	English
Published:	[Washington, D.C.] : United States Bureau of Mines, 1930.
Series:	Report of investigations (United States. Bureau of Mines) ; 3015.
Subjects:	Mineral dusts.

Internet

Search for the full-text version of this title in HathiTrust

PASCAL Offsite

Holdings details from PASCAL Offsite
Call Number:	I 28.23:3001-3025
I 28.23:3001-3025	Available Place a Hold Contents The following works are all found in the book indicated by the call number above. The use of boiler feed-water heater with steam-powered rotary drilling equipment / by... Active list of permissible explosives and blasting devices approved prior to June 30,... Gravity concentration on certain Florida phosphatic sands / by H.M. Lawrence and R.G.... Toxicity of dichloro-difluoro methane : a new refrigerant / by R.R. Sayers [and other... A study of the Marshall-Bird test for determining the agglutinating value of coal / b... Sulphur dioxide in the air at the Pittsburgh experiment station of the U.S.Bureau of... Influence of washing coal on coke properties and on gas and by- product yields / by A... The lower limits of inflammability of natural gas-air mixtures in a large gallery / b... Dissolution of various manganese minerals / by C.W. Davis. A study of the properties of Texas polyhalite pertaining to the extraction of potash... Use of ethyl mercaptan to detect leaks in natural-gas distribution systems / by R.R.... Nine years of smoke-abatement work at Salt Lake City / by Austin Gudmundsen. The power consumed by rotating disks and other shaped objects in fluid mediums / by A... Rock-dusting in coal mines of the State of Washington / by S.H. Ash and John G. Schon... Increased rcoveries of phosphate in the land-pebble district of Florida / by H.M. Law... Flotation reagents, 1928 / by T.H. Miller and R.L. Kidd. The sand and gravel safety contest of 1929 / by W.W. Adams. The National safety competition of 1929 / by W.W. Adams. A new flame safety-lamp testing and demonstration apparatus / by W.P. Yant, L.B. Berg... Cooperative research between the United States Bureau of Mines and the Safety in Mine... Washability studies of the Mary Lee Seam at Lewisburg, Alabama / by B.M. Bird, B.W. G... Washability studies of the Clark Seam at Marvel, Alabama / by B.M. Bird, B.W. Gandred... Official changes in the active list of permissible explosives and blasting devices fo... Check determinations of fusibility of coal ash with the De Graaf electric coal-ash fu...