Ufology - "Klass pins down slippery details and pries loose flimsy facts with the assurance, and success, of Sherlock Holme" - Chicago Tribune. This book belongs in any library of the 10 volumes worth reading on the subject of UFOs.
Important places
Aguilar (1)Aurora (1)
Beaver (5)
Boulder (66)
Cedar Rapids (12)
Counties
Linn (12)Las Animas (7)
Wise (1)
Boulder (78)
Beaver (26)
Regions
Colorado (1,596)Pennsylvania (4,458)
Iowa (567)
Texas (2,882)
Countries
United States (64,950)Other geographical areas
Front Range (USA) (58)Rocky Mountains (370)
Central Lowlands (North America) (1,334)
Great Plains (2,255)
Upper Midwest (2,971)