Many responses so far, but I am still stuck:

Don't know much about Atlas, but looks like their map files are *.agf.  I've
found another GIS package called AGIS that uses *.agi.  My stuff is *.prc +
some informix database files.

Not sure if my stuff is Atlas GIS or something else.  I've got 20 or so 5
1/4" floppies that are a DOS backup set (made in 1990).  When I restore them
I get the following files / structure:

c:\agis - with a bunch of files like agis.exe here

c:\agis\maps - with another bunch of folders like c:\maps\002124 which
contain files like 002124.prc

c:\agis\agis.dbs - with a bunch of informix database type stuff

c:\agis\reports - agis stuff

c:\informix - with a bunch of informix stuff

Anyone recognize this?  Here's a couple of line of a .prc file (ASCII):

JAYCOR AGIS Section Map       .PRC  Range 007E Twnship 002N Sction 02 Meridn
10
Meade Co., SD                            11/26/1990    24000

     3     1    13     2  .61000001431D+00     4     0     4
    .000000000000000D+00    .000000000000000D+00    .000000000000000D+00
    .000000000000000D+00    .000000000000000D+00    .000000000000000D+00
    .000000000000000D+00    .000000000000000D+00    .000000000000000D+00
    .000000000000000D+00    .000000000000000D+00    .000000000000000D+00
    .000000000000000D+00    .000000000000000D+00    .000000000000000D+00
  .00000000000D+00  .00000000000D+00  .00000000000D+00  .00000000000D+00
SW       44.154755 -103.251297         639840.55  4890331.73
SE       44.154785 -103.231262         641442.63  4890369.38
NE       44.169388 -103.231140         641417.50  4891991.54
NW       44.169388 -103.251205         639813.30  4891957.21
PARCEL                 0    11     0 00     11     0 000    11     0   0
N    1   639826.93  4891144.47     0     0     0     0     0     0
N    2   640628.50  4891162.46     0     0     0     0     0     0
N    3   639820.11  4891550.84     0     0     0     0     0     0

Thanks,
John Brosowsky

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