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Condensed Balance Sheets - USD ($)
Apr. 30, 2017
Jan. 31, 2017
ASSETS    
Cash and cash equivalents $ 12,009,469 $ 13,695,168
U.S. Government securities, current, at amortized cost (which approximates market) 373,430 456,058
Accrued income receivable 1,231,998 45,045
Prepaid expenses 64,977 53,608
Current assets 13,679,874 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 13,679,877 14,249,882
LIABILITIES, UNALLOCATED RESERVE AND TRUST CORPUS    
Distribution payable 7,216,006 1,836,801
Accrued expenses 112,697 108,193
Deferred royalty revenue   2,099,415
Total liabilities 7,328,703 4,044,409
Unallocated reserve 6,351,171 10,205,470
Trust corpus 3 3
Total liabilities, unallocated reserve and trust corpus $ 13,679,877 $ 14,249,882