"The Colorado Plateau Province s a Field for Geological Study", (and many others), in American Journal of Science and the Arts.

GILBERT, Grove, Karl. "The Colorado Plateau Province s a Field for Geological Study", pp 16-24 and 86-103 (started and concluded). In: American Journal of Science and the Arts, New Haven, volume 12, 1876, 485pp. Newly and tastefully rebound in maroon cloth, slightly antiqued to give the impression of not-new though it is. The text (which is original of course) is in VG condition. [++] Also bound with: YOUNG, Charles A. "Observations on the Displacement of Lines in the Solar Spectrum caused by the Sun's Rotation", pp 321-328. Also in this volume: Wallace, Alfred Russell, " Address at the Glasgow Meeting of the British Association", pp 354-400. AND WITH: Rood, O.N. "Experiments on the Nature of the force in Crookes' Radiometer", pp 405-410. Also: O.C. Marsh, "Notice of new Tertiary Mammals", pp 401-404.