Quarterly report pursuant to Section 13 or 15(d)

Balance Sheets (Unaudited) (Parentheticals)

v2.3.0.15
Balance Sheets (Unaudited) (Parentheticals) (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2011
A
Dec. 31, 2010
A
Land in Acres 10,793 10,793
Surface rights in acres 936,168 949,423
Number of Lots 318 318
Certificates of Proprietary Interest, par value (in Dollars per share) 100 100
Certificates of Proprietary Interest, outstanding (in Shares) 0 0
Sub-share Certificates in Certificates of Proprietary Interest, par value (in Dollars per share) 0.03 0.03
Sub-share Certificates in Certificates of Proprietary Interest, outstanding (in Shares) 9,287,324 9,548,444
Royalty Interests In Acres 1_16 [Member]
    
nonparticipating perpetual royalty interest in acres 386,988 386,988
Royalty Interests In Acres 1_128 [Member]
    
nonparticipating perpetual royalty interest in acres 85,414 85,414