supply analysis a technical report completed as part of texas outdoors vision for the future study commissioned by parks and wildlife department team carson watt clark adams research assistants debra cowman jenni w youngblood kirk gillis damon holzer seokho lee a&m university august 1998 i executive summary rationale data sources outdoor recreation opportunities is system natural resource assets owned public private providers willing to respond needs demand residents visitors considered whole comprised multiple responding complex mix or demands that reflection user available resources provider mandate goals tpwd has two general roles in recreational state 1 trustee manager cultural 2 facilitator use through partnerships education outreach assistance regulation development enforcement this used existing supplemented resident organizational