Grove Karl Gilbert†—USGS—The Whirlpool, St. David’s channel, Niagara.
Thomas Wayland Vaughan—USGS—Geological occurrence of the igneous rocks of the Uvalde Quadrangle, Texas.
(Charles) Whitman Cross†—USGS—Igneous rocks of the Uvalde and Brackett Quadrangles.
† GSW Founder
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