The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
1-800-Flowers.com Inc. COM 68243Q106 4,010 276,532 SH   SOLE   276,532 0 0
3M Company COM 88579Y101 979 5,550 SH   SOLE   5,550 0 0
AZZ Incorporated COM 002474104 230 5,000 SH   SOLE   5,000 0 0
AbbVie Inc. COM 00287Y109 3,557 40,175 SH   SOLE   40,175 0 0
Allstate Corporation COM 020002101 253 2,250 SH   SOLE   2,250 0 0
Amazon.com COM 023135106 514 278 SH   SOLE   278 0 0
Berkshire Hathaway COM 084670108 3,735 11 SH   SOLE   11 0 0
Berkshire Hathaway Cl B COM 084670702 4,961 21,902 SH   SOLE   21,902 0 0
Bristol-Myers Squibb Company COM 110122108 2,560 39,880 SH   SOLE   39,880 0 0
Calithera Biosciences, Inc COM 13089P101 157 27,500 SH   SOLE   27,500 0 0
Cimarex Energy Company COM 171798101 3,506 66,791 SH   SOLE   66,791 0 0
Cleveland-Cliffs Inc. COM 185899101 84 10,000 SH   SOLE   10,000 0 0
Columbia Sportswear COM 198516106 366 3,650 SH   SOLE   3,650 0 0
Continental Resources COM 212015101 3,165 92,267 SH   SOLE   92,267 0 0
EOG Resources, Inc. COM 26875P101 261 3,115 SH   SOLE   3,115 0 0
Escalade Inc. COM 296056104 4,018 408,701 SH   SOLE   408,701 0 0
Helmerich & Payne Inc. COM 423452101 5,051 111,173 SH   SOLE   111,173 0 0
International Business Machine COM 459200101 7,555 56,363 SH   SOLE   56,363 0 0
Johnson & Johnson COM 478160104 7,375 50,560 SH   SOLE   50,560 0 0
Keweenaw Land Association COM 493026108 776 11,417 SH   SOLE   11,417 0 0
Manitex International COM 563420108 247 41,500 SH   SOLE   41,500 0 0
Merck & Co. COM 58933Y105 3,445 37,882 SH   SOLE   37,882 0 0
Mesabi Trust Ctfs COM 590672101 10,597 450,175 SH   SOLE   450,175 0 0
Natus Medical Inc COM 639050103 264 8,000 SH   SOLE   8,000 0 0
Pfizer, Inc COM 717081103 5,399 137,803 SH   SOLE   137,803 0 0
Powell Industries COM 739128106 412 8,400 SH   SOLE   8,400 0 0
Pure Cycle Corporation COM 746228303 189 15,000 SH   SOLE   15,000 0 0
Surface Oncology COM 86877M209 47 25,000 SH   SOLE   25,000 0 0
Tandy Leather Factory COM 87538X105 2,438 427,013 SH   SOLE   427,013 0 0
Texas Pacific Land Trust COM 882610108 8,621 11,035 SH   SOLE   11,035 0 0
Timken Company COM 887389104 450 8,000 SH   SOLE   8,000 0 0
Timken Steel Corp COM 887399103 133 16,900 SH   SOLE   16,900 0 0
Westinghouse Air Brake Technol COM 929740108 4,954 63,670 SH   SOLE   63,670 0 0
Wynn Resorts, Limited COM 983134107 5,744 41,365 SH   SOLE   41,365 0 0
ABB Ltd ADR 000375204 6,830 283,520 SH   SOLE   283,520 0 0
Anheuser-Busch InBev SA ADR 03524A108 6,317 76,995 SH   SOLE   76,995 0 0
Autoliv, Inc. ADR 052800109 5,448 64,541 SH   SOLE   64,541 0 0
BP plc ADR 055622104 290 7,675 SH   SOLE   7,675 0 0
Baidu, Inc. ADR 056752108 1,483 11,735 SH   SOLE   11,735 0 0
Banco Latinoamericano de Expor ADR P16994132 7,119 332,967 SH   SOLE   332,967 0 0
Franco-Nevada Coporation ADR 351858105 3,305 31,995 SH   SOLE   31,995 0 0
Investor AB 'B' ORD W48102128 9,288 168,390 SH   SOLE   168,390 0 0
Koninklijke Philips NV ADR 500472303 5,573 114,206 SH   SOLE   114,206 0 0
Liberty Global A plc ADR G5480U104 3,304 145,300 SH   SOLE   145,300 0 0
Nestle S.A. ADR 641069406 6,618 61,132 SH   SOLE   61,132 0 0
Pandora A/S ADS ADR 698341203 1,394 128,101 SH   SOLE   128,101 0 0
Pandora A/S ords ORD K7681L102 2,876 66,210 SH   SOLE   66,210 0 0
Royal Dutch Shell Cl A ADR 780259206 218 3,700 SH   SOLE   3,700 0 0
Siemens AG ADR 826197501 4,678 72,007 SH   SOLE   72,007 0 0