Author:Alja Robinson Crook
American natural historian, geologist and mineralogist
WorksEdit
Articles in Popular Science MonthlyEdit
- "An Ascent of Mt Orizaba" in Popular Science Monthly, 61 (October 1902)
- "The Making of the Grand Canyon of the Colorado" in Popular Science Monthly, 69 (November 1906)
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1928.
The longest-living author of these works died in 1930, so these works are in the public domain in countries and areas where the copyright term is the author's life plus 92 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
