Search Results | Hagley Digital Archives

Title: Determining river flow during pollution prevention study on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Description: River's flow is determined by meter that sounds 'ping' in scientist's ear as tiny cups revolve. The scientists collected hundreds of species of fish, clams, insects, snails and plants living in and along the Guadalupe River.
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3913
Collection: DuPont Company product information collection

Title: Analytical team that conducted pollution prevention study on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Description: Scientific team that made the study of Guadalupe River for DuPont brought a station wagon full of analytical equipment. Five men, working under Dr. Ruth Patrick, spent 10 days in Texas, completed their study later in a Philadelphia laboratory.
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3911
Collection: DuPont Company product information collection

Title: Identifying fish during pollution prevention study on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3916
Collection: DuPont Company product information collection

Title: Collection diatoms during pollution prevention study on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Description: Spoonfuls of micro-organisms called 'diatoms' are collected from stumps and stones along river bank. They provide food for fish.
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3914
Collection: DuPont Company product information collection

Title: Studying pollution on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Description: Before the Victoria, Texas plant of DuPont's Plastics Department was put into operation, arrangements were made for scientists of the Academy of Natural Sciences of Philadelphia to make a study of the Guadalupe River on which the plant is located. The objective was to determine the state of health of the river and this assist in planning a pollution prevention program for the plant. The DuPont Company has spent approximately $40,000,000 on a continuing program to prevent water and air pollution.
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3910
Collection: DuPont Company product information collection

Title: Identifying fish during pollution prevention study on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Description: Fish can be identified by study of top or 'dorsal; fin. Rio Grande perch was one of nine types of fish caught by scientists in one day on river.
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3915
Collection: DuPont Company product information collection

Title: Studying pollution through insects during pollution prevention study on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Description: Insects caught along the Guadalupe River are studied in temporary laboratory by a zoologist from the Philadelphia Academy of Natural Science. He uses a 'teaser' to mount a large dragonfly. The Guadalupe study represents one of many efforts by DuPont to insure disposal of trade wastes without pollution of streams or air.
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3917
Collection: DuPont Company product information collection

Title: Collecting mud during pollution prevention study on the Guadalupe River
Date(s): 1955, 1955~
Contributor(s): E.I. du Pont de Nemours & Company (originator)
Description: Mud from bottom is collected in dredge, rear, then washed in trays so scientists can study worms and snails living in the stream bed. They show first effects of any pollution. An incinerator and evaporation basins were built and two mile deep wells drilled to carry off unusable by products of Victoria plant operations.
Collection ID: DuPont Company Product Information photographs (Accession 1972.341)
Hagley ID: 1972341_3912
Collection: DuPont Company product information collection