Skip to main content
U.S. flag

An official website of the United States government

Natural Heritage Areas

Published by opendata.maryland.gov | State of Maryland | Catalog Last Checked: June 09, 2026 at 06:31 PM | Dataset Last Updated: June 09, 2026
The multiple vector file denotes the 32 areas designated in the state's Threatened and Endangered Species regulations (COMAR 08.03.08) under section .10 Natural (1) Contain one or more threatened or endangered species or wildlife species in need of conservation; (2) Be a unique blend of geological, hydrological, climatalogical or biological features; and (3) Be considered to be among the best Statewide examples of its kind. Designation of these areas was developed in conjunction with the Critical Area Law and most fall within the Chesapeake Bay Critical Area. Sites outside the Critical Area are already owned by a public agency. Coverage is of attributed polygons only; attributes are NHA numbers and names from COMAR 08.03.08, and the USGS 7.5 minute quadrangles upon which the original boundaries were manually drawn.

Resources

4 resources available

Find Related Datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov