SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 SUN RIVER MINING, INC. ---------------------------------------------------------------- (Name of Issuer) Common Stock, No par value per share ----------------------------------------------------------------- (Title of Class of Securities) 866943103 ----------------------------------------------------------------- (CUSIP Number) Thomas Anderson 1020 21st Street Golden, CO 80401 ----------------------------------------------------------------- (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) August 2001 ----------------------------------------------------------------- (Date of Event which Requires Filing of this Statement) If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this statement because of Rule 13d-1(b)(3) or (4), check the following box: [_] *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page. The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes). Page 1 SCHEDULE 13D CUSIP No. 866943103 ------------------------------------------------------------------ 1 NAME OF REPORTING PERSONS S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS Thomas Anderson ------------------------------------------------------------------ 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [_] (b) [_] ------------------------------------------------------------------ 3 SEC USE ONLY ------------------------------------------------------------------ 4 SOURCE OF FUNDS PF ------------------------------------------------------------------ 5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e) [_] ------------------------------------------------------------------ 6 CITIZENSHIP OR PLACE OF ORGANIZATION United States of America ------------------------------------------------------------------ 7 SOLE VOTING POWER Thomas Anderson - 238,000 ---------------------------------------- NUMBER OF 8 SHARED VOTING POWER SHARES BENEFICIALLY None OWNED BY ---------------------------------------- EACH 9 SOLE DISPOSITIVE POWER REPORTING PERSON Thomas Anderson - 238,000 WITH ---------------------------------------- 10 SHARED DISPOSITIVE POWER None ------------------------------------------------------------------ 11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON Thomas Anderson - 238,000 ------------------------------------------------------------------ 12 CHECK THIS BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES* [_] ------------------------------------------------------------------ 13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) Thomas Anderson - 1.5% ------------------------------------------------------------------ 14 TYPE OF REPORTING PERSON* IN ------------------------------------------------------------------ *SEE INSTRUCTIONS BEFORE FILLING OUT! Page 2 CUSIP No. 866943103 SCHEDULE 13D ITEM 1. SECURITY AND ISSUER Common Stock, no par value per share Sun River Mining, Inc. P. O. Box 723 Evergreen, Colorado 80437 ITEM 2. IDENTITY AND BACKGROUND (a) Thomas Anderson (b) 1020 21st Street Golden, Colorado 80401 (c) Thomas Anderson, has been a Senior Environmental Scientist at Concurrent Technologies Corp. from November 2000 to date. He also serves as Director of Sun River Mining, Inc., P. O. Box 723 Evergreen, Colorado 80437. (d) During the last five years the Reporting Person has not been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). (e) During the last five years the Reporting Person has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction nor has any final order, judgment, or decree been entered enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. (f) Citizenship: United States of America. ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION Personal funds were used to purchase shares at market prices. ITEM 4. PURPOSE OF TRANSACTION The Reporting Person acquired the securities in order to have a vested interest in the company for which Reporting Person is serving as an officer/director. There are no plans or proposals known to the Reporting Person which relate to or would result in: (a) The acquisition by any person of additional securities of the Issuer, or the disposition of securities of the Issuer; (b) An extraordinary corporate transaction, such as a merger, reorganization or liquidation, involving the Issuer or any of its subsidiaries; (c) A sale or transfer of a material amount of assets of the Issuer or any of its subsidiaries; (d) Any change in the present board of directors or management of the Issuer, including any plans or proposals to change the number of term of directors or to fill any existing vacancies on the board; Page 3 CUSIP No. 866943103 (e) Any material change in the present capitalization or dividend policy of the Issuer; (f) Any other material change in the Issuer's business or corporate structure including but not limited to, if the Issuer is a registered closed-end investment company, any plans or proposals to make any changes in its investment policy for which a vote is required by Section 13 of the Investment Company Act of 1940; (g) Changes in the Issuer's charter, bylaws or instruments corresponding thereto or other actions which may impede the acquisition or control of the Issuer by any person; (h) Causing a class of securities of the Issuer to be delisted from a national securities exchange or to cease to be authorized to be quoted in an inter/dealer quotation system of a registered national securities association; (i) A class of equity securities of the Issuer becoming eligible for termination of registration pursuant to Section 12(g)(4) of the Act; or (j) Any action similar to any of those enumerated above. ITEM 5. INTEREST IN SECURITIES OF THE ISSUER (a) Aggregate number of shares owned: 238,000 Percent of outstanding shares owned: 1.5% (b) Sole Power of voting for Reporting Person: 238,000 (c) Transactions in securities in the past 60 days for Reporting Person: 0 (d) No other person is known to have power to direct receipt of dividends from, or proceeds from sale of such securities. (e) Not applicable. Page 4 CUSIP No. 866943103 ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO SECURITIES OF THE ISSUER. None. ITEM 7. MATERIAL TO BE FILED AS EXHIBITS None. SIGNATURE After reasonable inquiry and to the best of the knowledge and belief, I certify that the information as set forth in this statement is true, complete and correct. Dated: June 6, 2002 Thomas Anderson by:/s/Thomas Anderson Thomas Anderson Page 5