Book Reading Time
Home
Subjects
Calculator
About
Contact
Search
J
Janet Hren
4 books found
Books by Janet Hren
Changes in ground-water quality resulting from surface coal mining of a small watershed in Jefferson County, Ohio
Janet Hren
⏱ 38m
Changes in ground-water quality resulting from surface coal mining of a small watershed in Jefferson County, Ohio
Janet Hren
1986
38 pp.
Water-quality data-collection activities in Colorado and Ohio
Janet Hren
Water-quality data-collection activities in Colorado and Ohio
Janet Hren
1987
No page data
A statistical approach to evaluate the relation of coal mining, land reclamation, and surface-water quality in Ohio
Janet Hren
⏱ 5h 25m
A statistical approach to evaluate the relation of coal mining, land reclamation, and surface-water quality in Ohio
Janet Hren
1984
325 pp.
Potential impacts of a proposed reservoir on hydrologic and water-quality conditions in Little Rush Creek watershed, Fairfield County, Ohio
Janet Hren
Potential impacts of a proposed reservoir on hydrologic and water-quality conditions in Little Rush Creek watershed, Fairfield County, Ohio
Janet Hren
1982
No page data