Annual summary describing the conditions of the mining industry in Alaska and the economic results obtained by various investigations during the year. Contributions include descriptions of general features of the geology and mineral resources as well as analyses of practical implications.

From Introduction: "A summary of the tests made at St. Louis and a resume of the conclusions to be drawn from the tests and from the opinions of gas-producer manufacturers on the status of the gas producer and gas engine was published in a Survey bulletin in 1907. As it is desirable to repeat much of the material that appeared in the former bulletin (now out of print), this presentation may be regarded as a revision of the previous one, although considerable information not previously available for publication has been added."

From Introduction: "This bulletin is the third of a series showing the results of government purchases of coal according to specifications as its quality and giving typical forms of proposals for supplying coal and general information relating to government coal purchases. This paper gives in detail the results of government purchases of coal for the fiscal year 1908-9 and the list of contracts with abstracts of specifications for the fiscal year 1909-10, and summarizes the information on this subject obtained by the Survey. "

From Introduction: "This bulletin is the third of a series showing the results of government purchases of coal according to specifications as to its quality and giving typical forms of proposals for supplying coal and general information relating to government coal purchases. This paper gives in detail the results of government purchases of coal for the fiscal year 1908-9 and the list of contracts with abstracts of specifications for the fiscal year 1909-10, and summarizes the information on this subject obtained by the Survey."

From Introduction: "The present bulletin, published by the Bureau of Mines because of the analyzing and testing of fuels have been transferred from the Geographical Survey to the Bureau of Mines, briefly reviews the status of the coke industry, some features of practice in the use of coke in the foundry, the probable happenings of a cupola heat, and the reasons for modifying charging practice so that a particular coke can be used to best advantage."

From introduction: "Result of a study of the wood rats in the collection of the Biological Survey, numbering over 3,000 specimens, including topotypes of most of the species."