Times Mirror said it sold about 17,000 acres of timberlands in Polk and Benton counties, Oregon, to WTD Industries of Portland, Ore., for undisclosed terms . . . Lorimar Telepictures said it reached an agreement with Technicolor Inc. to retain its Metrocolor Lab . . . First Capital Holdings Corp. has completed the acquisition of E. F. Hutton Insurance Group from E. F. Hutton Group . . . San Francisco-based Transamerica Insurance Group, Transamerica Corp.'s property and casualty insurance operation, has acquired Fairmont Financial.