The road was completed in January, 1855. Before the last rail was laid more than $2,000,000 had been taken in for hauling passengers as far as the road extended. The way in which the original 50-cent per mile rate across the Isthmus was established is interesting. The chief engineer encountered much trouble from people who wanted to use the road as far inland as it went from Colon, so he suggested that a 50-cent rate be established, thinking to make it prohibitory. But the people who wanted to cross the Isthmus were willing to pay even 50 cents a mile. Hence for years after the completion of the road the passenger rate continued at $25 for the one-way trip across the Isthmus. The railroad proved to be such an unexpectedly good investment that the Republic of Colombia began to establish its claim to acquire ownership of the road at the expiration of the 2-year term, which would take place in 1875. It was necessary therefore, that the railroad company should take steps to save the railroad from a forced sale with $5,000,000 as the consideration. Representatives were dispatched to Bogota with instructions to get an extension of the concession under the most favorable terms possible. As it was realized that the Republic of Colombia held the whip hand in the negotiations, the railroad company understood that if it wished to escape selling its great revenue producing road for $5,000,000 it would have to meet any terms Colombia might dictate. The result of this mission was an agreement by the railroad that in consideration of an extension of the concession for a term of 99 years it would pay to the Colombian Government $1,000,000 spot cash and $250,000 a year during the life of the concession. That annual payment was continued as long as the Isthmus remained a part of the Republic of Colombia. Under the terms of the treaty between the United States and the Republic of Panama it was resumed again in 1913, to be paid by the United States to the Republic of Panama throughout all the years that the United States maintains and operates the Panama Canal. CHAPTER IX SANITATION