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Condensed Balance Sheets - USD ($)
Jan. 31, 2018
Jan. 31, 2017
ASSETS    
Cash and cash equivalents $ 314,835 $ 13,695,168
U.S. Government securities, current, at amortized cost (which approximates market) 23,797,451 456,058
Accrued income receivable 1,956,091 45,045
Prepaid expenses 54,640 53,608
Current assets 26,123,017 14,249,879
Assignments of leased property    
Amended assignment of Peters Lease 1 1
Assignment of Cloquet Leases 1 1
Certificate of beneficial interest for 13,120,010 units of Land Trust 1 1
Total fixed property 3 3
Total assets 26,123,020 14,249,882
LIABILITIES, UNALLOCATED RESERVE AND TRUST CORPUS    
Distribution payable 15,481,612 1,836,801
Accrued expenses 133,994 108,193
Deferred royalty revenue   2,099,415
Total liabilities 15,615,606 4,044,409
Unallocated reserve 10,507,411 10,205,470
Trust corpus 3 3
Total liabilities, unallocated reserve and trust corpus $ 26,123,020 $ 14,249,882