151.
152.
The Coking of Coal at Low Temperatures (with a Preliminary Study of the By-products)
by Parr, Samuel Wilson, Olin, ...
ISBN: 9781021478023
153.
The Mineral Content of Illinois Waters; Illinois State Geological Survey Bulletin No. 10
by Bartow, Edward 1870-1958, U...
ISBN: 9781014354327
154.
A Study of Sand-lime Brick; Illinois State Geological Survey Bulletin No. 18
by Parr, Samuel Wilson 1857-19...
ISBN: 9781013676994
155.
Composition and Character of Illinois Coals; Illinois State Geological Survey Bulletin No. 3
by Parr, Samuel Wilson 1857-1931
ISBN: 9781013490910