Great Lakes Dredge & Dock CORP - FORM 8-K/A - EX-23.1 - CONSENT OF CPA ASSOCIATES PC - March 16, 2011

Attached files

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8-K/A - FORM 8-K/A - Great Lakes Dredge & Dock CORPd8ka.htm
EX-99.3 - UNAUDITED PRO FORMA CONDENSED COMBINED FINANCIAL INFORMATION - Great Lakes Dredge & Dock CORPdex993.htm
EX-99.2 - UNAUDITED FINANCIAL STATEMENTS OF L.W. MATTESON, INC. - Great Lakes Dredge & Dock CORPdex992.htm
EX-99.1 - AUDITED FINANCIAL STATEMENTS OF L.W. MATTESON, INC. - Great Lakes Dredge & Dock CORPdex991.htm

Exhibit 23.1

Consent of Independent Auditors

We consent to the incorporation by reference in Registration Statement No. 333-153207 on Form S-3 and Registration Statement No. 333-150067 on Form S-8 of our report dated March 23, 2010, relating to the financial statements of L.W. Matteson, Inc., appearing in this Current Report on Form 8-K/A of Great Lakes Dredge & Dock Corporation.

/s/ CPA Associates PC

Burlington, Iowa

March 16, 2011

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