by Erwin Hinckley Barbour
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Altitudes in Nebraska revised to 1913
Archidiskodon maibeni
Cement manufacture in Nebraska
The development of our natural resources
The flint ballast industry of Gage Count...
A giant Nebraska bear Dinarctotherium me...
Occupational employment
Sweet Forever
The chemistry & physics of clays and oth...
The clays and clay industries of Wiscons...
A treatise on ceramic industries
Iron in soils and clay minerals