archaeologyfieldwork.com (discussion board, general resources, employment, volunteer, links)
Mining Co. Archaeology (excellent description of the working conditions of field techs)
Shovel Bums (not union friendly, but until we get the hiring hall going, it's good for a few job contacts)
IUOE (International Union of Operating Engineers)
ACRA (They're spending hundreds of thousands of dollars to keep your wages down, and claim to be concerned about quality in archaeology)
Department of Labor, Service Contract Act, Wage Determination Find out how much you're entitled to get paid if the project involves the federal government.If you don't demand it, they probably won't give it to you. See the CPWC for more info.