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This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, \"Geologic Map of the Late Cenozoic Deposits of the Sacramento Valley and Northern Sierran Foothills, California\" (Helley and Harwood,1985). This data set was created by scanning the five- original sheets from USGS Publication MF-1790 (Helley and Harwood, 1985), the five sheets were georeferenced individually and the geologic information was digitized using AutoCAD 2006. The accuracy of the digitized lines was deemed to be within acceptable error tolerances, with the digitized lines accurately matching the original drafted lines in USGS Publication MF-1790 (Helley and Harwood, 1985). In general, the width of the contact lines on the paper copy, accounting for scale, ranged up to about 20 meters (66 feet). During the original digitization, corrections to minor topological mistakes (such as identical rock units on both sides of a lithologic contact or unclosed polygons) and omissions (such as unidentified lithologic units) were applied according to the best available knowledge. Comparisons were made between the original mylar and colorized field sheets (as available), in addition to the Geologic Map of the Battle Creek Fault Zone, Northern Sacramento Valley, California (USGS Map MF-1298, 1981), the Geologic Map of the Chico Monocline and Northeastern Part of the Sacramento Valley, California (USGS Miscellaneous Investigations Series Map I-1238, 1981), and the Geologic Map of the Red Bluff 30' X 60' Quadrangle, California (USGS Geologic Investigation Series Map I-2542, 1995). The correlation and description of geologic units were excerpted from USGS Publication MF-1790 (Helley and Harwood, 1985).<\/SPAN><\/P><\/DIV><\/DIV><\/DIV>", "mapName": "i08_ChicoMonoclineLineaments_SacramentoValley", "description": "

This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, \"Geologic Map of the Late Cenozoic Deposits of the Sacramento Valley and Northern Sierran Foothills, California\" (Helley and Harwood,1985). This data set was created by scanning the five- original sheets from USGS Publication MF-1790 (Helley and Harwood, 1985), the five sheets were georeferenced individually and the geologic information was digitized using AutoCAD 2006. The accuracy of the digitized lines was deemed to be within acceptable error tolerances, with the digitized lines accurately matching the original drafted lines in USGS Publication MF-1790 (Helley and Harwood, 1985). In general, the width of the contact lines on the paper copy, accounting for scale, ranged up to about 20 meters (66 feet). During the original digitization, corrections to minor topological mistakes (such as identical rock units on both sides of a lithologic contact or unclosed polygons) and omissions (such as unidentified lithologic units) were applied according to the best available knowledge. Comparisons were made between the original mylar and colorized field sheets (as available), in addition to the Geologic Map of the Battle Creek Fault Zone, Northern Sacramento Valley, California (USGS Map MF-1298, 1981), the Geologic Map of the Chico Monocline and Northeastern Part of the Sacramento Valley, California (USGS Miscellaneous Investigations Series Map I-1238, 1981), and the Geologic Map of the Red Bluff 30' X 60' Quadrangle, California (USGS Geologic Investigation Series Map I-2542, 1995). The correlation and description of geologic units were excerpted from USGS Publication MF-1790 (Helley and Harwood, 1985).<\/SPAN><\/P><\/DIV><\/DIV>", "copyrightText": "Department of Water Resources, Northern Region Office, Groundwater and Geological Investigations Section. Originator: Jonathan Mulder. Updates: Nate Cheshier\n\nHelley, E.J., and Harwood, D.S., 1985, Geologic map of the late Cenozoic\ndeposits of the Sacramento Valley and northern Sierran foothills,\nCalifornia: U.S. Geological Survey Miscellaneous Field Studies Map\nMF-1790, 24 p., scale 1:62,500, 5 sheets.", "supportsDynamicLayers": true, "layers": [ { "id": 0, "name": "i08_ChicoMonoclineLineaments_SacramentoValley", "parentLayerId": -1, "defaultVisibility": true, "subLayerIds": null, "minScale": 0, "maxScale": 0, "type": "Feature Layer", "geometryType": "esriGeometryPolyline", "supportsDynamicLegends": true } ], "tables": [], "spatialReference": { "wkid": 102100, "latestWkid": 3857, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -20037700, "falseY": -30241100, "xyUnits": 10000, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 }, "singleFusedMapCache": false, "initialExtent": { "xmin": -1.3658169767440025E7, "ymin": 4809757.162392289, "xmax": -1.3477550293559976E7, "ymax": 4941508.76800771, "spatialReference": { "wkid": 102100, "latestWkid": 3857, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -20037700, "falseY": -30241100, "xyUnits": 10000, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "fullExtent": { "xmin": -1.35947665788E7, "ymin": 4815817.814199999, "xmax": -1.35409534822E7, "ymax": 4935448.1162, "spatialReference": { "wkid": 102100, "latestWkid": 3857, "xyTolerance": 0.001, "zTolerance": 0.001, "mTolerance": 0.001, "falseX": -20037700, "falseY": -30241100, "xyUnits": 10000, "falseZ": -100000, "zUnits": 10000, "falseM": -100000, "mUnits": 10000 } }, "datesInUnknownTimezone": false, "minScale": 0, "maxScale": 0, "units": "esriMeters", "supportedImageFormatTypes": "PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP", "documentInfo": { "Title": "i08_ChicoMonoclineLineaments_SacramentoValley", "Author": "", "Comments": "

This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, \"Geologic Map of the Late Cenozoic Deposits of the Sacramento Valley and Northern Sierran Foothills, California\" (Helley and Harwood,1985). This data set was created by scanning the five- original sheets from USGS Publication MF-1790 (Helley and Harwood, 1985), the five sheets were georeferenced individually and the geologic information was digitized using AutoCAD 2006. The accuracy of the digitized lines was deemed to be within acceptable error tolerances, with the digitized lines accurately matching the original drafted lines in USGS Publication MF-1790 (Helley and Harwood, 1985). In general, the width of the contact lines on the paper copy, accounting for scale, ranged up to about 20 meters (66 feet). During the original digitization, corrections to minor topological mistakes (such as identical rock units on both sides of a lithologic contact or unclosed polygons) and omissions (such as unidentified lithologic units) were applied according to the best available knowledge. Comparisons were made between the original mylar and colorized field sheets (as available), in addition to the Geologic Map of the Battle Creek Fault Zone, Northern Sacramento Valley, California (USGS Map MF-1298, 1981), the Geologic Map of the Chico Monocline and Northeastern Part of the Sacramento Valley, California (USGS Miscellaneous Investigations Series Map I-1238, 1981), and the Geologic Map of the Red Bluff 30' X 60' Quadrangle, California (USGS Geologic Investigation Series Map I-2542, 1995). The correlation and description of geologic units were excerpted from USGS Publication MF-1790 (Helley and Harwood, 1985).<\/SPAN><\/P><\/DIV><\/DIV>", "Subject": "This data set depicts faults and lineaments of the Chico Monocline as mapped in USGS Publication MF-1790, \"Geologic Map of the Late Cenozoic Deposits of the Sacramento Valley and Northern Sierran Foothills, California\" (Helley and Harwood,1985). The purpose of this dataset is to make the geologic data published in USGS Publication MF - 1790 (Helley and Harwood, 1985) publicly available, for use in external mapping/GIS applications. \n\nThe associated data are considered DWR enterprise GIS data, which meet all appropriate requirements of the DWR Spatial Data Standards, specifically the DWR Spatial Data Standard version 3.6, dated September 27, 2023. DWR makes no warranties or guarantees \u2014 either expressed or implied \u2014 as to the completeness, accuracy, or correctness of the data. DWR neither accepts nor assumes liability arising from or for any incorrect, incomplete, or misleading subject data.\n\nThe official DWR GIS steward for this data set is Nate Cheshier, who may be contacted at 916-603-6576, or at Nathan.Cheshier@water.ca.gov. Comments, problems, improvements, updates, or suggestions should be forwarded to the official GIS steward as available and appropriate.", "Category": "", "Version": "2.6.0", "AntialiasingMode": "Best", "TextAntialiasingMode": "Force", "Keywords": "Geology,Harwood and Helley,Sacramento Valley,Data,United States Geological Survey,USGS,Department of Water Resources,DWR,Map,Geographic Information Systems,GIS,Chico Monocline,Structural Geology,Tectonics,Deformation,Lineaments,Atlas,DWR GIS Atlas,Sacramento Valley,California" }, "supportsQueryDomains": true, "capabilities": "Query,Map,Data", "supportedQueryFormats": "JSON, geoJSON, PBF", "exportTilesAllowed": false, "referenceScale": 0.0, "datumTransformations": [ { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": true, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] }, { "geoTransforms": [ { "wkid": 108190, "latestWkid": 108190, "transformForward": false, "name": "WGS_1984_(ITRF00)_To_NAD_1983" } ] } ], "supportsDatumTransformation": true, "archivingInfo": {"supportsHistoricMoment": false}, "supportsClipping": true, "supportsSpatialFilter": true, "supportsTimeRelation": true, "supportsQueryDataElements": true, "mapUnits": {"uwkid": 9001}, "maxRecordCount": 2000, "maxImageHeight": 4096, "maxImageWidth": 4096, "supportedExtensions": "" }