\begin{frame}{Background} \textbf{San Luis Valley} \begin{enumerate} \item{Agricultural economy in Southern Colorado} \item{Use of surface water from Rio Grande river} \item{Part of Rio Grande Conservation Water District} \item{Rio Grande, Saguache, Alamosa} \end{enumerate} \textbf{Legal} \begin{enumerate} \item{Prior Appropriation} \item{Complex ground water law} \item{Conversation districts} \item{Subdistricts} \end{enumerate} \end{frame}