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Document Type

Research

Abstract

The coals of commerce acquire names by which they are widely known, and upon which their reputations stand. These names are not geological titles; and coal samples having the same name may, and usually do, come from different mines and even from different horizons. Many analyses and physical tests are made for various industrial purposes from samples taken from the railroad cars, after the latter have reached their destinations.

Publication Date

1900

Journal Title

Proceedings of the Iowa Academy of Sciences

Volume

8

Issue

1

First Page

128

Last Page

137

Copyright

© Copyright 1900 by the Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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