Deletion of Spook Cave

Comment: a https://www.google.com/search?q=spook+cave+iowa&ie=utf-8&oe=utf-8#q=spook+cave+iowa&tbm=bks search of Google Books indicates chapter-length coverage in a variety of publications, satisfying 's requirement of "information beyond statistics and coordinates" for named natural features. I've added one ref (being the one the fickle Google Gods saw fit to give me access to) that verified most of the article's existing content, and could be used for further expansion
Stance: keep
Cited policy: Wikipedia:Notability (WP:GEOLAND)