Merrimack River
Subtitle: 1974 water quality survey data
By: prepared by Water Quality Section, Division of Water Pollution Control, Massachusetts Water Resources Commission.
Publisher: The Division
Published: 1974
Place of publication: Westborough
Language: eng
Number of pages: 86
Subjects: Water quality -- Merrimack River Watershed (N.H. and Mass.) -- Statistics.
Notes: "November 1974."
"Part a."
Chiefly tables.