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 8,189 831,405 SH   SOLE   831,405 0 0
3M Company COM 88579Y101 545 2,595 SH   SOLE   2,595 0 0
A S V Holdings Inc. COM 00215L104 106 13,034 SH   SOLE   13,034 0 0
AZZ Incorporated COM 002474104 258 5,300 SH   SOLE   5,300 0 0
Allstate Corporation COM 020002101 207 2,250 SH   SOLE   2,250 0 0
Amazon.com COM 023135106 285 296 SH   SOLE   296 0 0
Berkshire Hathaway COM 084670108 5,495 20 SH   SOLE   20 0 0
Berkshire Hathaway Cl B COM 084670702 4,841 26,405 SH   SOLE   26,405 0 0
Chevron Corp COM 166764100 1,819 15,485 SH   SOLE   15,485 0 0
Cimarex Energy Company COM 171798101 5,652 49,725 SH   SOLE   49,725 0 0
Columbia Sportswear COM 198516106 5,631 91,450 SH   SOLE   91,450 0 0
Continental Resources COM 212015101 2,298 59,517 SH   SOLE   59,517 0 0
Dawson Geophysical Company COM 239360100 9,369 2,068,123 SH   SOLE   2,068,123 0 0
Denny's COM 24869P104 5,014 402,730 SH   SOLE   402,730 0 0
Edgewell Personal Care Co COM 28035Q102 3,338 45,875 SH   SOLE   45,875 0 0
Escalade Inc. COM 296056104 6,290 462,464 SH   SOLE   462,464 0 0
Gap Inc COM 364760108 227 7,700 SH   SOLE   7,700 0 0
Helmerich & Payne Inc. COM 423452101 7,931 152,206 SH   SOLE   152,206 0 0
ISHARES 1-3 Year Treasury Bond COM 464287457 462 5,475 SH   SOLE   5,475 0 0
International Business Machine COM 459200101 10,949 75,469 SH   SOLE   75,469 0 0
Johnson & Johnson COM 478160104 9,611 73,927 SH   SOLE   73,927 0 0
Keweenaw Land Association COM 493026108 573 5,613 SH   SOLE   5,613 0 0
Manitex International COM 563420108 269 30,000 SH   SOLE   30,000 0 0
Merck & Co. COM 58933Y105 6,282 98,110 SH   SOLE   98,110 0 0
Mesabi Trust Ctfs COM 590672101 13,557 589,448 SH   SOLE   589,448 0 0
National Oilwell Varco COM 637071101 1,062 29,725 SH   SOLE   29,725 0 0
Natus Medical Inc COM 639050103 7,764 207,028 SH   SOLE   207,028 0 0
Pfizer, Inc COM 717081103 10,612 297,255 SH   SOLE   297,255 0 0
Powell Industries COM 739128106 5,790 193,074 SH   SOLE   193,074 0 0
Pure Cycle Corp COM 746228303 112 15,000 SH   SOLE   15,000 0 0
Resolute Energy Corporation COM 76116A306 2,009 67,674 SH   SOLE   67,674 0 0
Sparton Corp COM 847235108 3,291 141,779 SH   SOLE   141,779 0 0
Tandy Leather Factory COM 87538X105 3,632 462,595 SH   SOLE   462,595 0 0
Texas Pacific Land Trust COM 882610108 4,607 11,400 SH   SOLE   11,400 0 0
Timken Company COM 887389104 5,830 120,085 SH   SOLE   120,085 0 0
Timken Steel Corp COM 887399103 11,420 692,132 SH   SOLE   692,132 0 0
Wynn Resorts, Limited COM 983134107 3,653 24,529 SH   SOLE   24,529 0 0
ABB Ltd ADR 000375204 7,327 296,043 SH   SOLE   296,043 0 0
Autoliv, Inc. ADR 052800109 11,646 94,221 SH   SOLE   94,221 0 0
Banco Latinoamericano de Expor ADR P16994132 7,455 253,221 SH   SOLE   253,221 0 0
Investor AB 'B' ORD W48102128 12,781 258,800 SH   SOLE   258,800 0 0
Koninklijke Philips NV ADR 500472303 10,579 256,768 SH   SOLE   256,768 0 0
Liberty Global A plc ADR G5480U104 8,531 251,582 SH   SOLE   251,582 0 0
Nestle S.A. ADR 641069406 11,192 133,225 SH   SOLE   133,225 0 0
Siemens AG ADR 826197501 6,908 97,644 SH   SOLE   97,644 0 0