Photograph by S. R. Capps 

 THE MASSES OE SEDIMENTARY ROCKS, NOW STANDING VERTICAL, GIVE A HINT OE 

 THE TITAN FORCES THAT BUIET THE RANGE 



Of the glaciers that the tourist will 

 visit in the park, the largest and most 

 accessible is Muldrow Glacier. This ice- 

 tongue, 39 miles long, flows from the 

 summit of Mount McKinley and makes 

 a great fish-hook curve to the northeast 

 and north. 



Not the least impressive feature of this 

 part of the Alaska Range is the tremen- 

 dous scale upon which the foundations 

 of the earth are exposed to view. Espe- 

 cially in the valley heads, where vegeta- 

 tion is sparse or lacking, the high moun- 

 tain ridges, cut by deep valleys, offer im- 

 pressive sections for the study of the 

 earth's structure. 



Here great lava flows and volcanic in- 

 trusions, in vivid shades of red, purple, 

 brown, and green, will tax the color box 

 of the artist. Masses of sedimentary 

 rocks, first deposited as flat-lying beds, 

 but now standing vertical or twisted into 

 giant folds, give a hint of the Titan forces 

 that build a mountain range. 



And near the eastern border of the 

 park, at the Nenana coal field, the trav- 

 eler can see how Nature, by her generous 

 placing and preservation of coal within 

 the rocks, makes possible the industrial 

 prosperity of our nation by furnishing 

 the fuel needed for its manufactures. 



OUR LAST CHANCE 



The Mount McKinley region now offers 

 a last chance for the people of the United 

 States to preserve, untouched by civiliza- 

 tion, a great primeval park in its natural 

 beauty. Historically this country is new. 

 It was not until 1897 tnat W. A. Dickey, 

 after having explored in the upper Su- 

 sitna basin the previous summer, pub- 

 lished a description of Mount McKinley, 

 made his remarkably accurate estimate of 

 20,000 feet as the height of the mountain, 

 and gave it the name it now bears. In 

 1898 the first actual survey in the neigh- 

 borhood of the park was made near its 

 east side by George H. Eldridge and Rob- 

 ert Muldrow, of the United States Geo- 

 logical Survey. In 1899 an army expedi- 

 tion, in charge of Capt. Joseph S. Herron, 

 explored a part of the area near the 

 southwestern boundary of the park. 



In 1902 the first surveying party that 

 actually reached the vicinity of Mount 

 McKinley was conducted by Alfred H. 

 Brooks and D. L. Raeburn, of the Geo- 

 logical Survey. This party entered the 

 park at its southwest border and trav- 

 ersed it from end to end, bringing out 

 the first authentic information in regard 

 to an unexplored area of many thousand 



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