1. Conservation planning. (2015) Editors: Mueller, Tom (Thomas G.), 1967-; Sassenrath, Gretchen F Record Type: Book Extent: 1 online resource, illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. GIS applications in agriculture. (©2007) Other Names: Pierce, F. J (Francis J.); Clay, David (David E.) Record Type: Book Extent: 1 online resource (203 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. GIS applications in agriculture. Nutrient management for energy efficiency / Volume two, (2011) Other Names: Clay, David (David E.); Shanahan, John Francis, 1955- Record Type: Book Extent: 1 online resource (xviii, 454 pages), illustrations, maps View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Invasive species. (©2011) Other Names: Clay, Sharon A (Sharon Ann) Record Type: Book Extent: 1 online resource (xx, 418 pages), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗