The Antiquity Of Man In America Compared With Europe

Last Lecture of Prof. N. H. Winchell, at Cedar Falls, Iowa, April 24, 1914, a week before his death; read also from this revised copy (by Warren Upham) at the monthly meeting of the Minnesota Academy of Science. February, 1916

Sur un cristal de labrador du gabbro de Minnesota

Winchell Newton Horace. Sur un cristal de labrador du gabbro de Minnesota. In: Bulletin de la Société française de Minéralogie, volume 19, 3-4, 1896. pp. 90-92

The iron ores of Minnesota : their geology, discovery, development, qualities and origin, and comparison with those of other iron districts /

Bibliography: p. [258]-334.Mode of access: Internet

The Geology of Minnesota, Vol. 4 of the Final Report

Contains 31 plates and 48 photos and 114 figures.Summary of the geological and natural history studies carried out in Minnesota between 1896 and 1898. Published in 6 volumes. Vol 4 summarizes geologic and natural history information by county

Elements of optical mineralogy; an introduction to microscopic petrography,

pt. I. Principles and methods.--pt. II. Descriptions of minerals.--pt. III. Determinative tables.Mode of access: Internet

Black Hills, South Dakota and Wyoming 1875

Shows survey expedition routes, dates and leaders' names ; Relief shown by hachuresColor1:380,16. 1 in. = 6 mile

The American geologist

Mode of access: Internet