UFO Book Chapter:

“REGIONAL ENCOUNTERS: The FC Files:

CHAPTER 4: THE WAVE OF 1973”

by Francis L. Ridge, 1994 
(NICAP.org)

Francis L. Ridge was the MUFON State Section Director for Posey, Vanderburgh and Gibson Counties, Indiana in 1973:

http://www.nicap.org/regenc/RegEnc.pdf

Chapter 4 starts on page 41.

Francis L. Ridge,
NICAP Site Coordinator
(nicap.org photo)







(nicap.org image)