You might try the Lake Texoma COE Office - down behind the dam - for maps of the Public Land available on both sides of the pond.
The Hagarman Goose Refuge, on the bottom end of Big Mineral, did not however have nearly as many geese several weeks ago as I expected to see...but this was before the weather pattern got colder than a well digger's you know what just north of here & all the way to Santy Claus Land.
Politicians are like diapers, needing to be changed often, and for the same reasons....Robin Williams
TooTaToo...We have MET the Enemy...and He is US !!... Pogo
Those who fail to learn from History are doomed to repeat it...George Santayana