Constitution and nature of Pennsylvania anthracite
Subtitle: with  comparisons to bituminous coal
By: by Homer Griffield Turner ...
Series: [Lehigh university] The Institute of research. Circular; no. 35  Science and technology,; no. 28
Publisher: Lehigh university
Published: 1929
Place of publication: Bethlehem, Pa
Language: eng
Number of pages: 15
Subjects: Anthracite coal -- Pennsylvania.
Notes: Bibliographical foot-notes.
At head of title: Lehigh university publication. vol. III, no. 11,  Nov. 1929.