@misc{Brooks_Alfred_Hulse_(1871-1924)_Bulletin,
 author={Brooks, Alfred Hulse (1871-1924)},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 title={Bulletin 642-A. The Alaskan mining industry in 1915},
 type={czasopismo},
 keywords={geologia, mineralogia, czasopisma, Stany Zjednoczone, Alaska (Stany Zjednoczone ; stan), górnictwo},
}