No bill of lading, but there is a letter from the General Superintendent of the C&S dated Nov, 12, 1900:
"I have closed contract with General Manager Culbertson of Colorado & Northwestern Railroad at Boulder for ten gondola cars and ten boxcars at rental of $12.00 per month, rental to commence from time they are loaded on cars at Boulder. Will you please take up with agent at Boulder and ascertain how many flat cars he requires each day to load these cars. Please use these cars in the trade between Golden and Silver Plume, Black Hawk and Central City and get all the mileage out of them you possibly can"