procedure was developed to take care of any possible
eventuality. This also included the psych screening routine to check on
the sanity and normalcy of returning space crews.

One feature of emergency quarantine was the creation of the spaceport
zone, an area with a radius of fifty miles about the spaceport, which
during quarantine was to be blocked off with nothing permitted to go
either in or out.

For all-out quarantine as in this present case, a temporary planet
quarantine was to be imposed, preventing the landing or taking off of
any space ship at all.

Other measures would take effect if and when they became necessary, such
as national quarantine, continent quarantine, and even harsh measures if
they became necessary.--ED.

Transcriber's Note:

This etext was produced from _Amazing Stories_ April 1949. Extensive
research did not uncover any evidence that the U.S. copyright on
this publication was renewed. Minor spelling and typographical
errors have been corrected without note. Variant spellings have been
retained.

End of the Project Gutenberg EBook of Unthinkable, by Roger Phillips Graham

*** END OF THIS PROJECT GUTENBERG EBOOK UNTHINKABLE ***

***** This file should be named 27491.txt or 27491.zip *****
This and all associated files of various formats will be found in:
http://www.gutenberg.org/2/7/4/9/27491/

Produced by Greg Weeks, Stephen Blundell and the Online
Distributed Proofreading Team at http://www.pgdp.net

Updated editions will replace the previous one--the old editions
will be renamed.

Creating the works from public domain print editions means that no
one owns a United States copyright in these works, so the Foundation
(and you!) can copy and distribute it in the United States without
permission and without paying copyright royalties. Special rules,
set forth in the General Terms of Use part of this license, apply to
copying and distributing Project Gutenberg-tm electronic works to
protect the PROJECT GUTENBERG-tm concept and trademark. Project
Gutenberg is a registered trademark, and may not be used if you
charge for the eBooks, unless you receive specific permission. If you
do not charge anything for copies of this eBook, complying with the
rules is very easy. You may use this eBook for nearly any purpose
such as creation of derivative works, reports, performances and
research. They may be modified and printed and given away--you m