Joseph O'Brien's Images
Title: Plant PathologistOrganization: USDA Forest Service
Unit: Forest Health Protection
Country: United States
Joe is a plant pathologist with the U.S. Forest Service in St. Paul, Minnesota. in addition to photography, his major interests include tree diseases in forests, woodlands and urban areas, hazard tree identification and mitigation, and mycology. Joe is a graduate of the University of Michigan (B.S. Forestry and M.S. Forest Pathology) and the University of Minnesota (Ph.D. Plant Pathology), and currently works at the Northern Research Station on the University of Minnesota's St. Paul campus. |
| 21 Images of 3 Subjects | View Subject List | View Image Details | View Thumbnails |
| Image | Subject Name | Scientific Name | Description |
|---|---|---|---|
| 5254085 | rivers and streams | An intermittant stream in a forest. | |
| 5254092 | waterfalls | ||
| 5300070 | waterfalls | Waterall on Black River, Ottawa National Forest | |
| 5058025 | rivers and streams | Presque River | |
| 5058023 | waterfalls | Waterfall on Presque Isle River | |
| 5058022 | waterfalls | Waterfall on Presque Isle river | |
| 5054093 | waterfalls | Waterfall | |
| 5035045 | waterfalls | A waterfall at Pfeiffer State Park, in California | |
| 5299086 | rivers and streams | A small river with a rocky riverbed. | |
| 5049033 | lakes and ponds | Portage in the Boundary Waters Canoe Area Wilderness | |
| 5049034 | lakes and ponds | Entry point in Boundary Waters Canoe Area Wilderness. | |
| 5049035 | lakes and ponds | Paddling in the Boundary Waters Canoe Area Wilderness. | |
| 5050028 | lakes and ponds | Lake Superior | |
| 5030028 | lakes and ponds | fall color around lake | |
| 5029049 | lakes and ponds | with fall color | |
| 5028018 | waterfalls | ||
| 5028019 | waterfalls | ||
| 5029028 | lakes and ponds | Emerald Lake; A very well-named lake in Glacier National Park. | |
| 5029057 | lakes and ponds | ||
| 5055095 | rivers and streams | Mississippi River headwaters | |
| 5055096 | rivers and streams | Mississippi River valley |
