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Service Description: These data contain geolocated thin section points created by the Washington Geological Survey. Rock samples are taken for various mapping and project supplementary information, and then made into thin sections. These thin sections were then scanned on a flat bed scanner and geolocated when location information was available.
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Description: These data contain geolocated thin section points created by the Washington Geological Survey. Rock samples are taken for various mapping and project supplementary information, and then made into thin sections. These thin sections were then scanned on a flat bed scanner and geolocated when location information was available.
Service Item Id: cf06147e02e842269c4edeb5d5aae08e
Copyright Text: Washington Geological Survey, 2025, Thin Section Database--GIS data, July 2025: Washington Geological Survey Digital Data Series 24, version 2.0, previously published July, 2022.
Spatial Reference:
102749
(2286)
LatestVCSWkid(0)
Initial Extent:
XMin: -37448.982812768314
YMin: -530524.8059515788
XMax: 2989303.114646819
YMax: 1950652.8538781458
Spatial Reference: 102749
(2286)
LatestVCSWkid(0)
Full Extent:
XMin: 334189.064209387
YMin: 97607.90660996731
XMax: 2544088.99971564
YMax: 1348748.48240779
Spatial Reference: 102749
(2286)
LatestVCSWkid(0)
Units: esriFeet
Document Info:
Title: Thin Section Locations
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Enable Z Defaults: false
Supports ApplyEdits With Global Ids: true
Support True Curves : true
Only Allow TrueCurve Updates By TrueCurveClients : true
Supports Return Service Edits Option : true
Supports Dynamic Layers: false
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