When I imparted this information to all and sundry in IRC chat a great whimper was heard ( We Want 1,000 Yards ).
In the interest of minimizing the pouting on the firing line(s) of Blogarado I did a bit more driving and looking and This is what I came up with to get 1k out of the terrain I have . Click to embiggen and see full image
Unfortunately due to the lay of the land the 1k stand is pretty much only good for 1k because too much intervening ground is simply not visible from that position . So It looks like we will just add a station out there for the folks who want to try 1k at some point , and still do most rifle from the original line .