Two attorneys with a prominent Alabama law firm and a coal company executive have been indicted on charges of bribing a state legislator to oppose an environmental cleanup plan, federal court documents showed Thursday.

Joel Gilbert and Steven McKinney are named on charges including conspiracy and bribery, records show. They are partners handling environmental litigation with Balch & Bingham, one of Alabama's leading law firms.

Drummond Co. vice president David Roberson was charged with the same crimes.