Among the higher passes are Hoosier Pass (10,309 ft.) in the Park Range, and Hayden Divide (10,780) and Veta Pass (9390), both of these across the Sangre de Cristo range; the crossing of the San Miguel chain at Lizard Head Pass (10,250) near Rico; of the Uncompahgre at Dallas Divide (8977) near Ouray; of the Elk and Sawatch ranges at Fremont (11,320), Tennessee (10,229), and Breckenridge (11,470) passes, and the Busk Tunnel, all near Leadville; and Marshall Pass (10,846) above Salida.
In 1878 a map of the park based upon triangulation was drawn up by the Hayden survey, and in 1883-85 a more detailed map was made by the United States Geological Survey, and a systematic study of its geological phenomena was instituted.
FERDINAND VANDEVEER HAYDEN (1829-1887), American geologist, was born at Westfield, Massachusetts, on the 7th of September 1829.
Per ton of copper higher under the series than it is under the multiple system; but against this, it must be remembered that the new works of the Baltimore Copper Smelting and Rolling Company, which are as large as those of the Anaconda Copper Mining Company, are using the Hayden process, which is the chief representative of the several series systems. In this system rolled copper anodes are used; these, being purer than many cast anodes, having flat surfaces, and being held in place by guides, dissolve with great regularity and require a space of only a in.
The bill was introduced by William Hayden English (1822-1896), a Democratic representative in Congress in1853-1861(see Frank H.
A third work, usually ascribed to Mannyng, chiefly on the ground of its existing side by side with the Handlyng Synne in the Harleian and Bodleian MSS., is the Medytacyuns of the Soper of oure lorde Jhesu, And also of hys passyun And eke of the peynes of hys swete modyr, Hayden marye, a free translation of St Bonaventura's De coena et passione Domini....