MGS Miscellaneous Map Series M-169 Bedrock Geology of the Hastings Quadrangle,Dakota, Goodhue and Washington Counties, Minnesota by John H. Mossler 2006 GIS layers and digital files projection: All Arc/Info coverages are double precision and are in UTM zone 15 projection, NAD83. coverages --------- bgpg - polygon coverage of bedrock geology features. btln - line coverage of equal elevation of bedrock surface. cjln -line coverage of structure top of the Jordan fm. export(e00) -folder containing arc export files of the covers. foldln - structure line showing folds in bedrock ocpg - polygon coverage of outcrop locations. soilb_pts - location point of Giddings soil boring stln - line cover of faults wwpts- point coverage pulled from located CWI data. xs_papg - net cover of the line where a cross section was created, also contains the quad boundary from drgindex(MGS) from MDH constructed grid (NAD27 lat- lons projected to NAD83).. 3d_data -- 3d modeling data base layers ----------- hast_basebw.tif - black and white, modified version of drg for quad as tiff hast_basebw.tfw - world (registration) file for tiff misc ----------- area_mag.tif - color image of magentic variation in study area, georeferenced bgpg.lyr - arcmap layer file to color polygons bggp_eroded.lyr - arcmap layer file to color area where erosion has removed the Jordan SS Compiled map ------------- m169.pdf - published map as pdf image. Metadata -------- m169meta.doc - Microsoft word metadata summary. 3dmetadata.pdf -- summary about 3d modeling data questions concerning the digital data may be directed to Tim Wahl ( tewahl@umn.edu ) or Rich Lively ( lively@umn.edu ). questions concerning the geologic information presented in the map should be directed to the author, John Mossler (mossl001@umn.edu). All may be reached by phone at the MGS at 612-627-4780.