NSS & Regions:

National Speleological Society (NSS)
Northeastern Regional Organization of the NSS (NRO)
Ohio Valley Regional Organization of the NSS (OVR)
Southeastern Regional Association of the NSS (SERA)
Virginia Region of the NSS (VAR)

Conservancies:

American Cave Conservation Association (ACCA)
Bat Conservation International (BCI)
Butler Cave Conservation Society (BCCS)
Mid-Atlantic Karst Conservancy (MAKC)
Northeastern Cave Conservancy (NCC)
Pennsylvania Cave Conservancy (PCC)
Southeastern Cave Conservancy (SCC)
Cave Conservancy of the Virginias (CCV)
West Virginia Cave Conservancy (WVaCC)

Organizations & Surveys:

Cave Research Foundation (CRF)
Center for Cave & Karst Studies, Western Kentucky University
Gangsta Mappers
Karst Waters Institute (KWI)
National Caves Association (NCA)
The Robertson Association (OTR)
Virginia Speleological Survey (VSS)
Virginia Cave Board (VCB)
West Virginia Speleological Survey (WVaSS)

Search & Rescue:

National Cave Rescue Commission (NCRC)
Eastern Region (ER-NCRC)
Cave Rescue Telephone Numbers (NCRC)

Closed and Limited Access Cave Lists:

Restricted Access Cave Listings for Pennsylvania (PCC)
Restricted Access Cave Listings for Huntingdon Co., PA (Huntingdon Grotto)
Western Pennsylvania Restricted Access Caves (MAKC)
VAR Limited Access Caves (DC Grotto)
Northeast Limited Access Caves (NRO)

Federal & State Agencies:

United States Geological Survey (USGS)
Pennsylvania Department of Environmental Protection (DEP)
Pennsylvania Department of Conservation & Natural Resources (DCNR)
Pennsylvania Bureau of Topographic & Geologic Survey, DCNR
Maryland Geological Survey (MGS)
Maryland Department of Natural Resources (MDNR)
New Jersey Geological Survey (NJGS)

Other:

Contact: MAR Webmaster
Email:
URL: www.caves.org/region/mar/
Last Updated: January '07
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