CRS-64 



large-scale maps were in final form, and an additional 215 maps were in draft 

 form. Areas have been selected for mapping based on a priority need, such as 

 sites of proposed major projects that might affect wetlands. Consequently, 

 maps completed are mainly along coastal areas and the lower Mississippi River. 

 Large areas of Arizona and New Mexico and some portions of the Wyoming-Montana 

 coal fields have also been completed. Maps are in preparation for portions of 

 the Great Lakes, the Northern Plains, and the lower Mississippi River drainage. 56 / 



In addition to this national inventory, laws in several States, including 

 Connecticut, Rhode Island, New York, New Jersey, Delaware, Maryland, Virginia 

 and Mississippi, require a Statewide inventory of all wetlands or of all of a 

 certain type of wetland. Inventories are part of State programs to regulate 

 wetlands' use or establish standards for their management. 57 / The major 

 reason for this interest in wetlands is concern that alterations are reducing 

 the resource. 



The surveys identify a rapid rate of change. Until recently, almost all 

 changes have been identified as economic improvements to lands considered to 



56 / Data sheets prepared by the National Wetlands Inventory which list 

 the status of mapping activities through December 25, 1981. Additional infor- 

 mation obtained in conversation with John Montanari, group leader of the 

 National Wetlands Inventory, February 2, 1982. 



57/ U.S. Department of the Interior. Fish and Wildlife Service. Office 

 of Biological Services. Strengthening State Wetland Regulations. FWS/OBS-78/98 . 

 Washington, U.S. Govt. Print. Off., 1978. p. 74-78. 





