5 BRYCE CANYON NP Utah (twice)
ZION NP Utah (twice)
20 MESA VERDE NP Colorado
22 SEQUOIA NP CA
24 DEATH VALLEY NP CA (twice)
25 JOSHUA TREE NP CA
26 YOSEMITE NP CA
27 KINGS CANYON NP CA
28 REDWOOD NP CA
29 LASSEN VOLCANIC NP CA
30 CRATER LAKE NP Oregon
41 YELLOWSTONE NP Wy, Idaho & Montana
42 GRAND CANYON NP Arizona (three times)
43 PETRIFIED FOREST NP Arizona
45 GRAND TETON NP Wyoming
48 HALEAKALA NP Hawaii
53 MOUNT RAINIER NP Washington