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 summit, a tunnel a mile in length was planned to pierce the crest one hundred and seventy-seven feet beneath its summit and twelve hundred and sixty-four feet above Hollidaysburg, the starting point of the inclines. The total cost for a railway thirty miles in length, of the pattern described, was estimated at slightly less than a million dollars ($936,004.87). On June 8, 1830 a board of engineers consisting of Robinson, Lieutenant-colonel S. H. Long, and Major John Wilson was appointed to survey the route proposed and make final recommendations. Late in that year a report was made which conformed largely with Mr. Robinson's plan matured in 1829, and on March 21, 1831, Governor Wolf approved "An act to continue the improvement of the State by canals and railroads." Section 3 of that act read:

"And be it further enacted by the authority aforesaid, That the said canal commissioners shall commence forthwith and prosecute without delay, a rail road over and across the Allegheny mountains, from the basin at Hollidaysburg, in the county of Huntingdon, to Johnstown, in the county of Cam-