County | Township | Location | Institution | Year | Month | Day |
County | Township | Location | Institution | Year | Month | Day |
County | Township | Location | Reference Title | Year | Citation |
Cumberland | Portland | On the shore zones and limits of marine plants on the New England coast of the United States | 1861 | Kemp, A.F.. 1862. On the shore zones and limits of marine plants on the New England coast of the United States. Canadian Naturalist and Geologist 7:20-34 |
County | Township | Location | Year | Month | Day |