Coal balls as an index to the constitution of coal

Schopf, James Morton

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https://hdl.handle.net/2142/35162 Copy

Description

Title

Coal balls as an index to the constitution of coal

Author(s)

Schopf, James Morton

Issue Date

1939

Keyword(s)

• Coal balls.
• Coal -- Analysis.

Publisher

Urbana, Ill. : State Geological Survey,

Series/Report Name or Number

Circular no. 051

Type of Resource

text

Language

eng

Permalink

http://hdl.handle.net/2142/35162

Has Version(s)

• http://hdl.handle.net/10111/UIUCOCA:coalballsasindex51scho
• http://www.archive.org/details/coalballsasindex51scho

Copyright and License Information

• Public domain. Illinois state government document.
• Copyright 1939 Board of Trustees University of Illinois.

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