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 4,745 251,306 SH   SOLE   251,306 0 0
3M Company COM 88579Y101 880 5,075 SH   SOLE   5,075 0 0
ASV Holdings Inc. COM 00215L104 178 26,032 SH   SOLE   26,032 0 0
AZZ Incorporated COM 002474104 230 5,000 SH   SOLE   5,000 0 0
AbbVie Inc. COM 00287Y109 2,374 32,642 SH   SOLE   32,642 0 0
Allstate Corporation COM 020002101 229 2,250 SH   SOLE   2,250 0 0
Amazon.com COM 023135106 517 273 SH   SOLE   273 0 0
Berkshire Hathaway COM 084670108 3,820 12 SH   SOLE   12 0 0
Berkshire Hathaway Cl B COM 084670702 4,408 20,677 SH   SOLE   20,677 0 0
Bristol-Myers Squibb Company COM 110122108 1,741 38,400 SH   SOLE   38,400 0 0
Calithera Biosciences, Inc COM 13089P101 44 11,250 SH   SOLE   11,250 0 0
Celgene Corp COM 151020104 252 2,725 SH   SOLE   2,725 0 0
Cimarex Energy Company COM 171798101 5,592 94,257 SH   SOLE   94,257 0 0
Columbia Sportswear COM 198516106 366 3,650 SH   SOLE   3,650 0 0
Continental Resources COM 212015101 2,718 64,577 SH   SOLE   64,577 0 0
Dawson Geophysical Company COM 239360100 54 21,537 SH   SOLE   21,537 0 0
Denny's COM 24869P104 3,130 152,446 SH   SOLE   152,446 0 0
Escalade Inc. COM 296056104 5,130 447,213 SH   SOLE   447,213 0 0
Helmerich & Payne Inc. COM 423452101 5,967 117,880 SH   SOLE   117,880 0 0
International Business Machine COM 459200101 7,952 57,668 SH   SOLE   57,668 0 0
Johnson & Johnson COM 478160104 6,286 45,132 SH   SOLE   45,132 0 0
Keweenaw Land Association COM 493026108 622 8,767 SH   SOLE   8,767 0 0
Manitex International COM 563420108 254 41,500 SH   SOLE   41,500 0 0
Merck & Co. COM 58933Y105 4,581 54,631 SH   SOLE   54,631 0 0
Mesabi Trust Ctfs COM 590672101 13,904 470,687 SH   SOLE   470,687 0 0
Natus Medical Inc COM 639050103 214 8,338 SH   SOLE   8,338 0 0
Pfizer, Inc COM 717081103 6,034 139,295 SH   SOLE   139,295 0 0
Powell Industries COM 739128106 386 10,150 SH   SOLE   10,150 0 0
Pure Cycle Corporation COM 746228303 159 15,000 SH   SOLE   15,000 0 0
Tandy Leather Factory COM 87538X105 2,869 521,712 SH   SOLE   521,712 0 0
Texas Pacific Land Trust COM 882610108 8,026 10,198 SH   SOLE   10,198 0 0
Timken Company COM 887389104 6,166 120,105 SH   SOLE   120,105 0 0
Timken Steel Corp COM 887399103 163 20,100 SH   SOLE   20,100 0 0
Westinghouse Air Brake Technol COM 929740108 4,161 57,987 SH   SOLE   57,987 0 0
Wynn Resorts, Limited COM 983134107 5,689 45,885 SH   SOLE   45,885 0 0
ABB Ltd ADR 000375204 5,971 298,095 SH   SOLE   298,095 0 0
Anheuser-Busch InBev SA ADR 03524A108 6,871 77,630 SH   SOLE   77,630 0 0
Autoliv, Inc. ADR 052800109 4,862 68,951 SH   SOLE   68,951 0 0
Baidu, Inc. ADR 056752108 2,046 17,435 SH   SOLE   17,435 0 0
Banco Latinoamericano de Expor ADR P16994132 6,963 334,292 SH   SOLE   334,292 0 0
Investor AB 'B' ORD W48102128 9,129 191,180 SH   SOLE   191,180 0 0
Koninklijke Philips NV ADR 500472303 6,961 159,736 SH   SOLE   159,736 0 0
Liberty Global A plc ADR G5480U104 5,986 221,785 SH   SOLE   221,785 0 0
Nestle S.A. ADR 641069406 7,242 70,042 SH   SOLE   70,042 0 0
Pandora A/S ADS ADR 698341203 1,039 116,609 SH   SOLE   116,609 0 0
Pandora A/S ords ORD K7681L102 2,512 72,615 SH   SOLE   72,615 0 0
Siemens AG ADR 826197501 4,349 72,892 SH   SOLE   72,892 0 0