Wikipedia:Articles for deletion/Columbia University tunnels
The articles in Wired and New Yorker technically satisfy 's requirement of substantial coverage in multiple independent and reliable sources. Also see "New York Underground" by Julia Solis, http://books.google.com/books?id=EpdwcewZ2rgC&pg=RA23-PA168&dq=%22columbia++university%22+tunnel&as_brr=0&ei=aWrkRsOOKpzApALXrpDNDg&sig=3rjSZQphN0EDDsICMTgZgmrbfBU pp 168-170:"Columbia's tunnel system is said to be the largest of any university in America, and is probably the most famous." This source also says the tunnels played an important role in the Manhattan Project.  There is nothing "inherently non-notable" about an extensive and historic tunnel system connecting the buildings of a prominent university. If anything, it could be merged to an article about the university rather than deleting such well-sourced  material. Any unsourced statements can be deleted. That's what we call "editing
— User:Edison, 21:55, 9 September 2007 (UTC)
Stance: keep
Cited policy: WP:N (Wikipedia:Notability)