valuable gold and copper deposits. The gold deposits of the Willow Creek district of the Kenai Peninsula also lie in the province investigated, and the Matanuska coal field, with its valuable fuels, is close at hand. Take it all in all, this is one of the richest mineral districts in Alaska and it contains also arable lands. Moreover, it embraces two of the most important gateways into inland Alaska the Copper River and Susitna valleys. Any power development in this field must be undertaken with full recognition of possible competition with the mineral fuels noted above. Coal and oil now command high prices but when the local fields are opened can doubtless be supplied at much lower rates. This report is essentially the work of Mr. Ellsworth and Mr. Davenport, who deserve great credit for having collected so much information in a single field season in a region which is in large part difficult of access. Appended to the main report is a reprint of an article by John C. Hoyt on the water powers of southeastern Alaska. There is thus brought together all the available information concerning the water powers along the Pacific coast of Alaska as far west as Cook Inlet. These investigations should be followed by studies of stream flow extending through a period of years sufficiently long to afford data for accurate generalizations on stream volume. This work will be begun as-soon as circumstances permit. For the present it must be deferred, as the annual grant of funds must be used for what are believed to be more important surveys and investigations. DEFINITION OF TEEMS.
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