Dawson Geophysical Company

Filing date	Form	Description	Filing Group	View
01/05/15	8-K	Report of unscheduled material events or corporate event	Current Reports	0001104659-15-000337.rtf View HTML 0001104659-15-000337.xls 0001104659-15-000337.pdf
01/05/15	425	Filing of certain prospectuses and communications in connection with business combination transactions	Other	0001104659-15-000342.rtf View HTML 0001104659-15-000342.xls 0001104659-15-000342.pdf
01/05/15	8-K	Report of unscheduled material events or corporate event	Current Reports	0001104659-15-000341.rtf View HTML 0001104659-15-000341.xls 0001104659-15-000341.pdf
12/31/14	424B3	Form of prospectus reflecting facts events constituting substantive change from last form	Registration Statements	0001047469-14-010138.rtf View HTML 0001047469-14-010138.xls 0001047469-14-010138.pdf
12/31/14	EFFECT	EFFECT	Other	9999999995-15-000007.rtf View HTML 9999999995-15-000007.pdf
12/31/14	CORRESP	CORRESP	Other	0001104659-14-089655.rtf View HTML 0001104659-14-089655.xls 0001104659-14-089655.pdf
12/31/14	CORRESP	CORRESP	Other	0001104659-14-089635.rtf View HTML 0001104659-14-089635.xls 0001104659-14-089635.pdf
12/30/14	S-4/A	Pre-effective amendment to an S-4 filing	Registration Statements	0001047469-14-010123.rtf View HTML 0001047469-14-010123.xls 0001047469-14-010123.pdf
12/16/14	S-4/A	Pre-effective amendment to an S-4 filing	Registration Statements	0001047469-14-009941.rtf View HTML 0001047469-14-009941.xls 0001047469-14-009941.pdf EX-101.INS - EX-101.INS
12/16/14	CORRESP	CORRESP	Other	0001104659-14-087078.rtf View HTML 0001104659-14-087078.xls 0001104659-14-087078.pdf

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Dawson Geophysical Company

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