Slate in the United States,
Dale, T. Nelson 1845-1937.
Slate in the United States, by T. Nelson Dale and others [W. F. Hillebrand, E. C. Eckel, A. T. Coons] - Washington, Govt. print. off., 1914. - 220 p. illus., plates, maps (part fold.) fold. tab., diagrs. 24 cm. - U. S. Geological survey. Bulletin no. 586 .
Many plates printed on both sides of leaves. "The present bulletin is not only a corrected and revised ed. of bulletin 275, but contains also the results of ... recent discoveries and studies."
"Bibliography of slate": p. 205-213.
gs 14000783
Slate.
QE75 / .B9 no. 586
Slate in the United States, by T. Nelson Dale and others [W. F. Hillebrand, E. C. Eckel, A. T. Coons] - Washington, Govt. print. off., 1914. - 220 p. illus., plates, maps (part fold.) fold. tab., diagrs. 24 cm. - U. S. Geological survey. Bulletin no. 586 .
Many plates printed on both sides of leaves. "The present bulletin is not only a corrected and revised ed. of bulletin 275, but contains also the results of ... recent discoveries and studies."
"Bibliography of slate": p. 205-213.
gs 14000783
Slate.
QE75 / .B9 no. 586