Data available through MARIS is FREE. You need ESRI software or some other software, such as QGIS, that can read ESRI formatted data in order to view this data.
MARIS provides interactive mapping, map services, image services, pre-generated printable maps, and maps from other sources.
Links to other sites, training, miscellaneous information, and MS success stories. MARIS is not responsible for the information or links from external sites.