Table 1 - Acreage Under Management 



Acres Acres 
Open % Closed % Total 
UPPER MISSISSIPPI REFUGE 153,225 78.98 hO 775 21.02 194 ,000 
MARK TWAIN REFUGE 
Louisa Unit - - 3,110 100.00 
Keithsburg Unit | - - 1,396 100.00 
Gardner Unit - - 1,488 100.00 
Batchtown Unit - ~ 1,995 100.00 
Calhoun Unit ~ - i 353 100.00 
Public Hunting * 7 41h 100.00 = 
Total: 7, 41h 37.53 12 ,3h2 62.47 19,756 
TOTAL FEDERAL MANAGEMENT 160 ,639 75.215 53,117 2h, .85 213,756 
STATE MANAGEMENT 
Iowa 6,656 100.00 - - 6,656 
Illinois 27 423 94. 8h 1,492 5.16 28,915 
Missouri 10 ,574 85.50 1,794 14.50 12 ,368 
Total: hh 653 © 93.15 3,286 6.85 47,939 
GRAND TOTAL: 205 ,2 8.45 6,403 21. 261,6 

*This area involves 7,414 acres of lands originally made available to the State of Iowa for 
management in Pools 17 and 18. The State decided not to manage this portion, and returned it to 
the Bureau. It is now administered as a part of the Louisa Unit of Mark Twain Refuge. 
