0010 - Statement - Condensed Statements of Income
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0020 - Statement - Condensed Balance Sheets
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0025 - Statement - Condensed Balance Sheets (Parenthetical)
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0030 - Statement - Condensed Statements of Cash Flows
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0031 - Statement - Condensed Statements of Cash Flows Calc 2
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1010 - Disclosure - NATURE OF BUSINESS AND ORGANIZATION
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1020 - Disclosure - NET INCOME PER UNIT
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1030 - Disclosure - DIVIDEND AND DISTRIBUTION
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1040 - Disclosure - ROYALTY AGREEMENT
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1050 - Disclosure - UNALLOCATED RESERVE AND DISTRIBUTIONS
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8000 - Statement - STATEMENTS OF UNALLOCATED RESERVE AND TRUST CORPUS (Equity)
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8010 - Statement - STATEMENTS OF UNALLOCATED RESERVE AND TRUST CORPUS (Parenthetical)
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8020 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
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8030 - Disclosure - SUMMARY OF QUARTERLY EARNINGS (UNAUDITED)
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8040 - Disclosure - SUBSEQUENT EVENT
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8050 - Disclosure - U. S. GOVERNMENT SECURITIES
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9999 - Document - Document and Entity Information
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