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Layer: stpeter_008_cont (ID: 81)

Name: stpeter_008_cont

Display Field: source_organization

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The Maquoketa Shale and the underlying Galena, Decorah, Platteville, and Glenwood Formations are an effective aquiclude between the St. Peter Sandstone and overlying Silurian and younger strata. To characterize the continuity of the Maquoketa Shale in the GIS, we chose the map of Mandle and Kontis (1992), which shows vertical hydraulic conductivity values for the confining unit. Note that these data do not account for the effectiveness of the Galena, Decorah, Platteville, and Glenwood Formations as aquicludes, which also serve to hydraulically isolate the St. Peter Sandstone from overlying units.

Service Item Id: 97999a6c27564f10addfa7a4b4896516

Copyright Text: Mandle, R. J., and Kontis, A. L., 1992, Simulation of regional ground-water flow in the Cambrian-Ordovician aquifer system in the northern Midwest, United States: U.S. Geological Survey, Professional Paper 1405-C.

Default Visibility: true

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 4622324.434309

Max Scale: 288895.277144

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:
Drawing Info: Advanced Query Capabilities:
HasZ: false

HasM: false

Has Attachments: false

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:
Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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