1.   Although park emergency systems were mobilized immediately, the dust cloud prevented an immediate search, then darkness made it impossible.

2.   I actually like the local park system.

3.   And the park system is adamant about not having the resort built on the same geologic formation in which the caves are.

4.   And some have said it is time to stop expanding the park system and to start spending more to maintain existing parks, where repairs costing billions are needed.

5.   And there is no prairie ecosystem in the park system.

6.   And these visitor rates are relatively small compared to other national parks or park systems.

7.   And yet, says department executive director Andrew Sansom, the park system faces unprecedented challenges and needs public support more than ever.

8.   As former director of the Cameron County parks system, transplanted Californian Ken Conway says he felt compelled to wear a tie to important meetings.

9.   At least two other sites in the park system are owned by outside entities, but managed by the Park Service.