Background
Ihlseng, Axel Olaf was born on February 20, 1855 in New York City. Son of Lars and Anna M. (Anderson) Ihlseng.
Ihlseng, Axel Olaf was born on February 20, 1855 in New York City. Son of Lars and Anna M. (Anderson) Ihlseng.
Bachelor of Science, College City of New York, 1874. Engineer of Mines and Civil Engineer, School of Mines, Columbia, 1877.
Kathryn (Mistress Thomas Richard Nunan). Chemist, Havemeyer Sugar Refining Company, 1877-1882. Manager Mountain Queen Mining Company and other mines, Silverton, Colorado, and metallurgist, Martha Rose Smelter, Silverton, and Louisiana Plata Smelter, Leadville, Colorado, 1882-1889.
Operator of zinc mines (owner of Orinogo Circle, Pleasant Valley and other mines), Joplin (Missouri) district, 1889-1908.
Construction engineering, since 1908. Company-owner and construction engineering Keystone (South Dakot) Consolidated Mines.
Engaged in examination of strip coal mines, 1920-1926.
Married Susan M. Reston, April.