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 3,561 240,696 SH   SOLE   240,696 0 0
3M Company COM 88579Y101 875 5,325 SH   SOLE   5,325 0 0
AZZ Incorporated COM 002474104 218 5,000 SH   SOLE   5,000 0 0
AbbVie Inc. COM 00287Y109 2,965 39,162 SH   SOLE   39,162 0 0
Allstate Corporation COM 020002101 245 2,250 SH   SOLE   2,250 0 0
Amazon.com COM 023135106 474 273 SH   SOLE   273 0 0
Berkshire Hathaway COM 084670108 3,430 11 SH   SOLE   11 0 0
Berkshire Hathaway Cl B COM 084670702 4,802 23,082 SH   SOLE   23,082 0 0
Bristol-Myers Squibb Company COM 110122108 1,936 38,170 SH   SOLE   38,170 0 0
Calithera Biosciences, Inc COM 13089P101 35 11,250 SH   SOLE   11,250 0 0
Celgene Corp COM 151020104 351 3,535 SH   SOLE   3,535 0 0
Cimarex Energy Company COM 171798101 3,790 79,048 SH   SOLE   79,048 0 0
Columbia Sportswear COM 198516106 354 3,650 SH   SOLE   3,650 0 0
Continental Resources COM 212015101 3,088 100,292 SH   SOLE   100,292 0 0
Dawson Geophysical Company COM 239360100 43 20,250 SH   SOLE   20,250 0 0
Escalade Inc. COM 296056104 4,802 440,971 SH   SOLE   440,971 0 0
Helmerich & Payne Inc. COM 423452101 4,655 116,165 SH   SOLE   116,165 0 0
International Business Machine COM 459200101 8,210 56,458 SH   SOLE   56,458 0 0
Johnson & Johnson COM 478160104 5,602 43,302 SH   SOLE   43,302 0 0
Keweenaw Land Association COM 493026108 735 10,497 SH   SOLE   10,497 0 0
Manitex International COM 563420108 276 41,500 SH   SOLE   41,500 0 0
Merck & Co. COM 58933Y105 3,826 45,453 SH   SOLE   45,453 0 0
Mesabi Trust Ctfs COM 590672101 10,762 449,937 SH   SOLE   449,937 0 0
Natus Medical Inc COM 639050103 255 8,000 SH   SOLE   8,000 0 0
Pfizer, Inc COM 717081103 4,941 137,515 SH   SOLE   137,515 0 0
Powell Industries COM 739128106 350 8,950 SH   SOLE   8,950 0 0
Pure Cycle Corporation COM 746228303 154 15,000 SH   SOLE   15,000 0 0
Tandy Leather Factory COM 87538X105 2,330 500,969 SH   SOLE   500,969 0 0
Texas Pacific Land Trust COM 882610108 6,931 10,670 SH   SOLE   10,670 0 0
Timken Company COM 887389104 5,044 115,930 SH   SOLE   115,930 0 0
Timken Steel Corp COM 887399103 111 17,700 SH   SOLE   17,700 0 0
Westinghouse Air Brake Technol COM 929740108 4,681 65,145 SH   SOLE   65,145 0 0
Wynn Resorts, Limited COM 983134107 4,875 44,840 SH   SOLE   44,840 0 0
ABB Ltd ADR 000375204 5,738 291,720 SH   SOLE   291,720 0 0
Anheuser-Busch InBev SA ADR 03524A108 7,246 76,155 SH   SOLE   76,155 0 0
Autoliv, Inc. ADR 052800109 5,317 67,401 SH   SOLE   67,401 0 0
Baidu, Inc. ADR 056752108 1,978 19,245 SH   SOLE   19,245 0 0
Banco Latinoamericano de Expor ADR P16994132 6,635 332,742 SH   SOLE   332,742 0 0
Franco-Nevada Coporation ADR 351858105 1,999 21,925 SH   SOLE   21,925 0 0
Investor AB 'B' ORD W48102128 9,055 184,975 SH   SOLE   184,975 0 0
Koninklijke Philips NV ADR 500472303 5,429 117,699 SH   SOLE   117,699 0 0
Liberty Global A plc ADR G5480U104 5,394 217,930 SH   SOLE   217,930 0 0
Nestle S.A. ADR 641069406 6,970 64,392 SH   SOLE   64,392 0 0
Pandora A/S ADS ADR 698341203 1,223 121,831 SH   SOLE   121,831 0 0
Pandora A/S ords ORD K7681L102 3,094 70,880 SH   SOLE   70,880 0 0
Siemens AG ADR 826197501 3,911 73,357 SH   SOLE   73,357 0 0