Data · dataset · 2025
CGS Information Warehouse: Mineral Lands Classification
Listed in California Open Data
Mineral Land Classification (MLC) studies are produced by the State Geologist as specified by the Surface Mining and Reclamation Act (SMARA, PRC 2710 et seq.) of 1975.
Description
To address mineral resource conservation, SMARA mandated a two-phase process called classification-designation. Classification is carried out by the State Geologist and designation is a function of the State Mining and Geology Board.
The classification studies contained here evaluate the mineral resources and present this information in the form of Mineral Resource Zones. The objective of the classification-designation process is to ensure, through appropriate local lead agency policies and procedures, that mineral materials will be available when needed and do not become inaccessible as a result of inadequate information during the land-use decision-making process.
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For more information about MLC please visit our website .
Links
Get the data
- Publisher page gis-cnra.hub.arcgis.com/apps/cadoc::cgs-information-warehouse-mineral-lands-classifica… ↗
documentation · download · from data ca gov
- ArcGIS GeoService maps.conservation.ca.gov/cgs/informationwarehouse/index.html?map=mlc ↗
download · from data ca gov
Where it is published
- California Open Data dataset page data.ca.gov/dataset/cgs-information-warehouse-mineral-lands-classification ↗
landing page · from data ca gov
Catalogue records · 1
- CKAN API data.ca.gov/api/3/action/package_show?id=3f4fbcc2-94b9-4cde-8ba9-af6ff1cf8… ↗
metadata API · from data ca gov
Topics
- Stated by source
- Natural Resources
- From keywords
- Earth & Environmental Science · Geology
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| California Open Data | 3f4fbcc2-94b9-4cde-8ba9-af6ff1cf810e | 10 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · data ca gov | connector:data_ca_gov@1.0.0 | |
| concepts[topic].ckan_group:data_ca_gov:natural-resources | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| created_date | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| description | source · data ca gov | connector:data_ca_gov@1.0.0 | /notes |
| license_text | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| publication_date | source · data ca gov | connector:data_ca_gov@1.0.0 | |
| title | source · data ca gov | connector:data_ca_gov@1.0.0 | /title |
| updated_date | source · data ca gov | connector:data_ca_gov@1.0.0 |