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OMB APPROVAL
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OMB Number 3235-0101
Expires: August 31, 2003
Estimated average burden
hours per response 2.0
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SEC USE ONLY
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DOCUMENT SEQUENCE NO.
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CUSIP NUMBER
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WORK LOCATION
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 144
NOTICE OF PROPOSED SALE OF SECURITIES
PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
ATTENTION: Transmit for filing 3 copies of this form concurrently with either
placing an order with a broker to execute sale or executing a sale
directly with a market maker.
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1 (a) NAME OF ISSUER (Please type or print)
Dawson Geophysical
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1 (b) IRS IDENT. NO.
75-0970548
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1 (c) S.E.C. FILE NO.
2-71058
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1 (d) ADDRESS OF ISSUER
508 W. Wall, Suite 800 Midland Texas 79701
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Street City State Zip Code
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1 (e) TELEPHONE NO.
(432) 684-3000
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Area Code Number
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2 (a) NAME OF PERSON FOR WHOSE ACCOUNT THE SECURITIES ARE TO BE SOLD
C. Ray Tobias
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2 (b) IRS IDENT. NO.
455-84-6480
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2 (c) RELATIONSHIP TO ISSUER
Employee
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2 (d) ADDRESS
2805 Arrowhead Midland Texas 79705
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Street City State Zip Code
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INSTRUCTION: The person filing this notice should contact the issuer to obtain
the IRS Identification Number and the S.E.C. File Number.
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(b) Name and Address
of Each Broker (c) Number (e) Number
3(a) Through Whom the of Shares of Shares
Title Securities Are To or Other or Other (f) Approximate (g) Name of Each
of the Be Offered or SEC USE ONLY Units To (d) Aggregate Units Date of Sale Securities
Class of Each Market Maker Be Sold Market Value Outstanding (See Instr. Exchange
Securities Who Is Acquiring Broker-Dealer (See instr (See instr. (See instr. 3(f)) (See Instr.
To Be Sold the Securities File Number 3(c)) 3(d)) 3(e)) (MO./DAY/YR.) 3(g))
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Common Dain Rauscher 2,000 4/14/03
60 South Sixth Street
Minneapolis, MN 55402-4422
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INSTRUCTIONS:
1. (a) Name of Issuer. 3. (a) Title of the class of securities to be sold.
(b) Issuer's I.R.S.Identification Number. (b) Name and address of each broker through whom the
(c) Issuer's S.E.C. file number, if any. securities are intended to be sold.
(d) Issuer's address, including zip code. (c) Number of shares or other units to be sold (if debt
(e) Issuer's telephone number, including area code. securities, give the aggregate face amount).
(d) Aggregate market value of the securities to be sold as
2. (a) Name of person for whose account the securities are of a specified date within 10 days prior to the filing
to be sold. of this notice.
(b) Such person's I.R.S. identification number, if (e) Number of shares or other units of the class outstanding,
such person is an entity. or if debt securities, the face amount thereof outstanding,
(c) Such person's relationship to the issuer (e.g., as shown by the most recent report or statement published
officer, director, 10% stockholder, or member of by the issuer.
immediate family of any of the foregoing). (f) Approximate date on which the securities are to be sold.
(d) Such person's address, including zip code. (g) Name of each securities exchange, if any, on which
the securities are intended to be sold.
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TABLE I -- SECURITIES TO BE SOLD
Furnish the following information with respect to the acquisition of the securities to be sold
and with respect to the payment of all or any part of the purchase price or other consideration therefor:
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Name of Person
from Whom Acquired
Nature of (If gift, also Amount of
Title of Date You Acquisition give date donor Securities Date of
the Class Acquired Transaction acquired) Acquired Payment Nature of Payment
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Common 12/7/00 Grant Dawson Geophysical 2,000
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INSTRUCTIONS: If the securities were purchased and full payment therefor was
not made in cash at the time of purchase, explain in the table or
in a note thereto the nature of the consideration given. If the
consideration consisted of any note or other obligation, or if
payment was made in installments, describe the arrangement and
state when the note or other obligation was discharged in full or
the last installment paid.
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TABLE II -- SECURITIES SOLD DURING THE PAST 3 MONTHS
Furnish the following information as to all securities of the issuer sold during the past
3 months by the person for whose account the securities are to be sold.
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Amount of
Name and Address of Seller Title of Securities Sold Date of Sale Securities Sold Gross Proceeds
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REMARKS:
INSTRUCTIONS: ATTENTION:
See the definition of "person" in paragraph (a) of Rule 144. The person for whose account the securities to which this notice
Information is to be given not only as to the person for whose relates are to be sold hereby represents by signing this notice
account the securities are to be sold but also as to all other that he does not know any material adverse information in regard
persons included in that definition. In addition, information to the current and prospective operations of the Issuer of the
shall be given as to sales by all persons whose sales are securities to be sold which has not been publicly disclosed.
required by paragraph (e) of Rule 144 to be aggregated with
sales for the account of the person filing this notice.
4/4/03 /s/ C. Ray Tobias
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DATE OF NOTICE SIGNATURE
The notice shall be signed by the person for whose account the securities are to
be sold. At least one copy of the notice shall be manually signed.
Any copies not manually signed shall bear typed or printed signatures.
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ATTENTION: Intentional misstatements or omission of facts constitute Federal
Criminal Violations (see 18 U.S.C. ss. 1001).
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