Ground-water data are provided in this report for the Sand Creek-Hanks, New England-Mott, Dickinson, and Bowman-Gascoyne coal areas, western North Dakota. The report contains the following: (1) Maps showing the location of wells, springs, and test holes; the location of wells and test holes where drillers' logs are available; and the location of wells with chemical analyses; and (2) tables showing well, spring, and testhole records; logs; and chemical analyses of water. Descriptions of the location of data-collection sites and methods used to collect data are included.