Description: Color slide of an oil sheen on the water. Slide 43 Duplicate slide. The origional is object id 998.1980.3085.2645.kk From box: December 1972, These appear to be a slide show for the local chapter of the Sierra Club.
Description: Color slide of boats in a harbor as seen from a high vantage point. Slide 51 This is a duplicate slide. Orgional is object id. 998.1980.3085.2645.ss From box: December 1972, These appear to be a slide show for the local chapter of the Sierra Club.
Description: Color slide of a poster of different diatoms. Slide 20 Duplcate slide. Orgional is 998.1980.3085.2517 From box: December 1972, These appear to be a slide show for the local chapter of the Sierra Club.
Description: Color slide of a poster of the different sizes of oil takers. Slide 47 Duplicate Slide. Orgional is object id 998.1980.3085.2519 From box: December 1972, These appear to be a slide show for the local chapter of the Sierra Club.
Description: Color slide of ocean currents along the coast of Maine. Slide 45 Duplicate slide. Orgional is object id 998.1980.3085.2514 From box: December 1972, These appear to be a slide show for the local chapter of the Sierra Club.
Description: Color slide of an oil tanker at port. Slide 48 Duplicate slide. Orgional is object id. 998.1980.3085.2532 From box: December 1972, These appear to be a slide show for the local chapter of the Sierra Club.