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3.

[[strikethrough]] country of the world. Professor Holmes is proud of his record as a mountaineer, having been first to reach the summit in this and in every other ascent made during the Colorado work. [[/strikethrough]]

[[insertion]][[red line]] ^[[Copied to Here]] [[/red line]] ^[[+]] [[/insertion]]

^[[)]] [[image - arrow pointing right]] In 1878 the Survey again visited the Yellowstone region and Professor Holmes' [[insertion]] ^[[researches as geologist]] [[/insertion]] [[strikethrough]] work [[/strikethrough]] extended over a large part of the Park, his [[insertion]] ^[[?]] [[/insertion]] studies of the Grand Canyon being of very especial interest.

^[[2?/]] It was determined [[insertion]] ^[[He observed found]] [[/insertion]] the great flows of lava, probably in glacial times, had [[insertion]] [[strikethrough]] ^[[once]] [[/strikethrough]] [[/insertion]] filled the narrow gorge of the river, which normally flowed to the North, turning it temporarily out of its course. [[strikethrough]] to the South. [[/strikethrough]]
The glacial ice sweeping down from the North had scattered granite masses, derived from the Northern highlands over the plateaus to the South, [[strikethrough]] completing the story [[/strikethrough]] [[insertion]] ^[[suggesting the conclusion finally reached]] [[/insertion]]. This interpretation was verified [[circled]] fifty years later [[/circled]] (1928) by the researches of Professor R. M. Field, Chief of the Department of Geology, Princeton University, and Professor O. T. Jones, Head of the Department of Geology, University of Manchester, England, who spent the summer in the Grand Canyon region.

It happened in 1874 and 1875 that Professor Holmes' geological activities brought him into contact with the interesting archeological remains of Colorado.  Studies were made of the Cliff dwellings and the associated art remains, and later corresponding researches were carried over many of the states and territories extending from the Atlantic to the Pacific [[strikethrough]] , [[/strikethrough]] from New Jersey to the East to California on the West [[insertion]] ^[[and from Canada to Mexico]] [[/insertion]].  His report to the Field Columbian Museum on his studies in connection with the A. V. Armour expedition [[insertion]] ^[[to Yucatan]] [[/insertion]] in 1895 threw much new light upon the

Transcription Notes:
Edited in line with the Transcription Center instructions regarding handwritten notes inserted into typed text and consistent with previous pages of this project. As there are two types of notes - handwritten insertions in the type written text as well as handwritten notes, when I originally transcribed, I added [[insertion]] to try and differentiate between the two. -@siobhanleachman