52:
97:
72:
32:
102:
91:
76:
56:
36:
20:
This category has the following 3 subcategories, out of 3 total.
53:National Park Service National Monuments in Iowa
8:
7:
98:National Park Service areas by state
73:National Natural Landmarks in Iowa
22:
14:
33:National Historic Sites in Iowa
1:
119:
103:Protected areas of Iowa
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17:Subcategories
16:
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92:Categories
77:(9 P)
57:(1 P)
37:(1 P)
94::
75:
55:
35:
66:N
46:M
26:H
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