Maps Section	contact: Publications(publications@mgs.md.gov)

WETLANDS MAPS
NOTE: The following categories include numerous maps that cannot be listed separately. These maps cover the coastal and tidal areas of the State. Please contact the MGS Publications Office for detailed coverage available. The following descriptions should provide a general idea of the maps' content. All are available only as blueline copies; reproduction time will delay filling orders somewhat.

MARYLAND TIDAL WETLANDS INVENTORY (TWI) MAPS	Production suspended indefinitely
Depicts the boundaries of the "Critical Area" and of wetlands on an aerial photographic base; scale 1:2,400 (1 inch equals 200 feet); size approximately 42 inches by 42 inches. Map sheets cover the following counties: Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Charles, Dorchester, Harford, Kent, Prince George's, Queen Anne's, St. Mary's, Somerset, Talbot, Wicomico, and Worcester. Prepared by the Maryland Department of Natural Resources, Water Resources Administration, 1971. Blueline copies only
NATIONAL WETLANDS INVENTORY (NWI) MAPS	$6.00
Depicts wetlands according to type and classification on a 7.5-minute quadrangle topographic base; scale 1:24,000 (1 inch equals 2,000 feet; size approximately 24 inches by 31 inches. Prepared by the U.S. Dept. of the Interior / Fish and Wildlife Service. Blueline copies only
SUBMERGED AQUATIC VEGETATION (SAV) DISTRIBUTION —1978	$6.00
A total of 77 maps depict the distribution of the various types of aquatic vegetation by genus and species on the 7.5-minute quadrangle topographic base; scale 1:24,000 (1 inch = 2,000 feet); size approximately 24 inches by 31 inches. Prepared by Earth Satellite Corp. under contract to American University, Washington, DC, for the Maryland Department of Natural Resources. Blueline copies only