Vol. s3-45, Issue 268, 1893April 01, 1893 EDT
The Cretaceous Formations of Mexico and Their Relations to North American Geographic Development
The Cretaceous Formations of Mexico and Their Relations to North American Geographic Development
Robert Thomas Hill,
Hill, R. T. (1893). The Cretaceous formations of Mexico and their relations to North American geographic development. American Journal of Science, s3-45(268), 307–324. https://doi.org/10.2475/ajs.s3-45.268.307