P-ISSN 0002-9599
E-ISSN 1945-452X
Vol. s4-40, Issue 237, 1915September 01, 1915 EDT
Notes on Black Shale in the Making
Notes on Black Shale in the Making
William Henry Twenhofel,
Twenhofel, W. H. (1915). Notes on Black Shale in the Making. American Journal of Science, s4-40(237), 272–280. https://doi.org/10.2475/ajs.s4-40.237.272