How does the data set describe geographic features?
Entity_and_Attribute_Overview: The columns and their definitions are listed below. All values that were less than (<) were converted to minus (-). Samples were processed by several methods. As a result, there was duplication of analyses for some elements. Rock samples were air dried followed by disaggregation in a mechanical jaw crusher. A split was ground to <100 mesh (0.15 mm) in a ceramic plate grinder. A riffle splitter was used to obtain splits to ensure similarity with the whole sample. One set of splits for all samples was archived, and approximately 50-g splits of ground material was shipped to the contract laboratory for analysis. Forty major, minor, and trace elements were determined for all 31 samples by inductively coupled plasma-atomic emission spectrometry (ICP-AES), also referred to as the ICP-40 package, after low-temperature (<150oC) digestion using concentrated hydrochloric, hydrofluoric, nitric, and perchloric acids (Crock and others, 1983). Splits of all samples wer
GEOLOGY.PATGeologic map units (Source: OFR-99-0149) SYMBOLAbbreviation of named unit (Source: OFR-99-0149, Attribute UNIT_NAME) ValueDefinition PzuPaleozoic undivided YjJacobsville Sandstone YfFreda Sandstone YfaFreda Sandstone, andesite member YnNonesuch Formation YcCopper Harbor Conglomerate YcbCopper Harbor Conglomerate, Basalt Member YiIndiana felsite YfiIntrusive Rhyolite YbMt. Bohemia stock YplPortage Lake Volcanics undivided YplfRhyolite: Portage Lake Volcanics YplgGreenstone Flow: Portage Lake Volcanics YplkKearsarge Flow: Portage Lake Volcanics YplgrGratiot Flow: Portage Lake Volcanics YplsScales Creek Flow: Portage Lake Volcanics YplcCopper City Flow: Portage Lake Volcanics YplbBohemia Conglomerate: Portage Lake Volcanics YdDiabase dikes YpuPowder Miss Group undivided YsSiemens Creek Volcanics XmMichigamme Formation WgrGranitic gneiss SUPERGROUPMap unit supergroup (Source: OFR-99-0149) ValueDefinition Marquette Range Keweenawan (blank) GROUPMap Unit Group (Source: OFR-99-0149
maint.WLR.topo_basin_kc_area (Source: ESRI) WRIA_NO SHAPEFeature geometry. (Source: ESRI) Coordinates defining the features. WRIA_NAME Shape.area Entity_and_Attribute_Overview: Topo_Catchment contains all the attributes that are dissolved to form the 3 child layers: Topop_Basin, Topo_Watershed, and Topo_WRIA.
w13eledd.dbfShapefile Attribute Table Grid_codenumeric code for elevation ranges in feet Range of values Minimum:-9999 Maximum:750 Legendtext description/label of elevation ranges in feet Character field Entity_and_Attribute_Overview: Areas defined as “no coal” or “Insufficient Data” are where the *position* of the coals is identifiable using the surrounding stratigraphy, but there is no coal preserved in the rock record. They are areas within the outcrop extent of the coal beds where we have data essentially demonstrating zero coal thickness. Some features may have been defined as “Unassessed.” These are areas which exist within the coal extent but have not been assessed and have no value.
