None supplied. From summary: During the spring of 1989 nd 1990 a radio telemetry study of downstream migration of Atlantic salmon smolts past five Public Service of New Hampshire (PSNH) hydroelectric facilites was conducted. The hydroelectrric facility sites are located within a 91 km segment of the mainstem of the Merrimack and Pemigewasset Rivers in New Hampshire (the Pemigewasset is the headwater tributary to the Merrimack). The primary objective of the study was to evaluate smolts' use of bypass facilities constructed at each dam by PSNH.