Williams, Donald R.
Books
- Modern mathematics for business decision making
- Adirondacks 1931-1990
- Adirondack Ventures
- Modern mathematics with applications
- Stream water quality in coal mined areas of the lower Cheat River Basin, West Virginia and Pennsylvania, during low-flow conditions, July 1997
- Grandfather's Tool Chest
- Adirondacks
- Water-resources data for Indiana County, Pennsylvania
- Adirondack / Mohawk Valley Preserving Our Roots Series
- Basic calculus with applications
- Nutrients and organic compounds in Deer Creek and South Branch Plum Creek in southwestern Pennsylvania, April 1996 through September 1998
- NICHOLAS STONER and the SAMMONS BOYS or a Tale of the Mohawk Valley
- Adirondack Hotels and Inns
- Adirondack People and Places
- Along the Adirondack Trail
- Finite mathematics with applications
- Water resources of Indiana County, Pennsylvania
- Effects of coal-mine discharges on the quality of the Stonycreek River and its tributaries, Somerset and Cambria counties, Pennsylvania
Author data: Open Library