The document discusses the economic impact of mountain biking and mountain bike trail development. It provides statistics showing that bicycling nationally contributes over $133 billion annually to the US economy. Locally, mountain biking and trails in the Chequamegon area of Wisconsin were estimated to contribute $1.17 million in 1997. Data analysis of home development near mountain bike trails in the Seeley Hills area found economic impacts of $13.2 million from new homes and $589,743 in annual spending. The document concludes that mountain bike trail building increases land values, property tax revenue, and local economic impact while also bringing in external revenue.