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Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: c r• 0(DZ m• -n 8 0 • m 5 0 > cc,), 3 0 z Bul. 32, New Series, Div of Entomology, U. S. Dept

The Black Hills beetle

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: 11. 4,y %.„',!. 4c4oritRE: ‘‘‘‘\‘111. // U. S. DEPARTMENT OF

Black check in western hemlock

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: . S. Dept. Agric., Bul. 33, " The Western Hemlock," pp. 19,20,23. 1 Fm. 3.—Development of the

Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

Creator:: Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: U. S. DEPARTMENT OF AGRICULTURE, BUREAU OF ENTOMOLOGY—BULLETIN NO

Insect enemies of the spruce in the Northeast : a popular account of results of special investigations, with recommendations for preventing losses

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: BULLETIN No. 28—NEW SERIES. U. S. DEPARTMENT OF AGRICULTURE

The white-pine weevil

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Abstract:: The Bureau of Entomology has been conducting systematic and economic investigations of the weevils infesting the bark of the trunk and terminal shoots of conifers in the United States, the results of which will be published in the regular technical and popular bulletins ; but since these can not be...
Resource Type:: Technical Report
Full Text:: next year's growth into the upper lateral shoots, which results in a forked and m an y- branched top

Hydro-Electric Power Plant

Creator:: Worstell, Ralph and Zimmerman, Henry Roderick
Abstract:: The data used in the design of this hydro-electric generating station was furnished by Hon. Walter M. Pierce from a survey conducted by T. R. Barry C. E. in the service of the Grande Ronde Water Co. during the summer of 1906. In the preparation of this thesis there were...
Resource Type:: Undergraduate Thesis
Full Text:: Hydro-electric power plant T H E S I S ex HYDRO

Electric plants for private homes

Creator:: Donelson, Earl Irvington
Resource Type:: Undergraduate Thesis
Full Text:: /Cr'faheb /Ss s Rear. No/// L iv/ fig Foorr s_ Pining Room M J°/a/! =a ßasoline y/fle

Testing of a Direct Current Machine

Creator:: Taggart, Durland Orville and McColl, Nelson Felde
Abstract:: Living now in an age where the steam engine in many localities soon will be a mere relic more than a useful mechanism with which to convert steam into useful energy. It is rapidly being replaced by the gas engine and the electric generator, in which the latter is thought...
Resource Type:: Undergraduate Thesis
Full Text:: ...... .. ...........: ........ .......... . ESMM.. . .......... ............ .......... E EEE MEMO! uS M S EEEEE EEu ::::::E :::::: :::::::: d

A course in mechanical drawing for the O.A.C.

Creator:: Graf, Samuel Herman, 1887-
Resource Type:: Masters Thesis
Full Text:: T H E S I S on A· COURSE IN MECHANICAL DRAWING FOR THE O.A

ScholarsArchive@OSU

Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

The Black Hills beetle

Black check in western hemlock

Some insects injurious to forests. pt. II, The western pine-destroying barkbeetle

Insect enemies of the spruce in the Northeast : a popular account of results of special investigations, with recommendations for preventing losses

The white-pine weevil

Hydro-Electric Power Plant

Electric plants for private homes

Testing of a Direct Current Machine

A course in mechanical drawing for the O.A.C.

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