wms layer zoom question

[Arnold, Micheal B.]

I am having some difficulty with a WMS layer.  I am retrieving topo maps
from teraserver.  I have added the minvalue entry to my mapfile so that I
don't get errors if someone tries to zoom in too far.  My problem is that
these topo maps are only being displayed at a very specific scale.  If
someone zooms out at all, the topo will not display.  I don't get any error
messages, but that layer isn't shown at all.  I tried messing around with
MAXSCALE, but couldn't get it to work.  I will paste the layer definition
below.  Thanks in advance for any suggestions.



LAYER

   NAME topo

   METADATA

     "wms_title" "USGS Digital Topograph"

     "wms_srs"   "EPSG:26917"

     "wms_name"  "DRG"

   END

   GROUP "TOPOG DATA"

   STATUS ON

   TYPE RASTER

   MINSCALE 7500

   #MAXSCALE 8000000

   CONNECTIONTYPE WMS

   CONNECTION
"http://terraservice.net/ogcmap.ashx?VERSION=1.1.1&SERVICE=wms&LAYERS=DRG&FO
RMAT=jpeg&styles="

   PROJECTION

     "init=epsg:26917"

   END

END



- Mike

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