ORIGINAL: Robert L E
I would place a ground blind near something that breaks it up a bit but is at the edge or in the open.
You did not say but I am assuming that you bow hunt judging by how close your existing stands are to trails. If you gun hunt, move back with your ground blind. 100 yards is still a reasonable shot with a smooth bore slug gun. Set up 50 to 70 yards from where you think the deer will be.
I gun hunt and use just a stool in some light cover. My spots are things like an isolated cedars or weed patches at least 50 yards from where I expect the deer to travel. The ideal spot give shots in more than one direction. I pick the exact location based on the day's wind direction.
Bob
Wow I completely forgot about my own post until I saw it today. You picked one of the spots exactly where we set the ground blind up. The "X" that is the furthest south in the field is where we set it up. Actually all of our stands are so close to deer trails because in the woods, because of the timber and the lay of the land you really cannot see much further than 100 yards in either direction. Also for shotgun season I hunt with a Rem 870 Wingmaster smoothbore with a bead sight. The closer they are the better.
Where we set the blind up has beena perfect spot so far. On opening day my dad almost got a shot off on a buck who was coming through the food plot right in front of it, but he was moving through pretty quick. The spot is great because in the evening the sun sets behind the cedar tree it is next to. It almost disapears in the shadow. So far the spot has been great. We will hopefully get a deer from the spot in muzzleloader season.