Coronavirus (COVID-19): Calvert Nature Society will follow recommendations made by County, State & National guidelines. Dec. 10, 2020: We have new policies. Please see Calvert Nature Society's COVID waiver for our policies for all in-person activitiesCalvert County Natural Resources Park Hours page for park hours, closures and other updates. Calvert County's COVID-19 Resource Center NOTICE: our online payment system has been restored. |
For detailed maps of the 39 Calvert County Blocks used in this survey, click on the links below.
The maps are pdf files.