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  2. California Department of Tax and Fee Administration - Wikipedia

    en.wikipedia.org/wiki/California_Department_of...

    cdtfa .ca .gov. The California Department of Tax and Fee Administration (CDTFA) is the public agency charged with assessing and collecting sales and use taxes, as well as a variety of excise fees and taxes, for the U.S. state of California. The department has several other ancillary functions, such as ensuring that sellers comply with permit ...

  3. List of U.S. state soils - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_soils

    A state soil is a soil that has special significance to a particular state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These official state soils share the same level of distinction as official state flowers and birds. Also, representative soils have been selected for Puerto ...

  4. San Joaquin (soil) - Wikipedia

    en.wikipedia.org/wiki/San_Joaquin_(soil)

    San Joaquin (soil) San Joaquin is an officially designated state insignia, the state soil of the U.S. state of California . The California Central Valley has more than 500,000 acres (2,000 km 2) of San Joaquin soils, named for the south end of that valley. This series is the oldest continuously recognized soil series within the state.

  5. USDA soil taxonomy - Wikipedia

    en.wikipedia.org/wiki/USDA_soil_taxonomy

    A taxonomy is an arrangement in a systematic manner; the USDA soil taxonomy has six levels of classification. They are, from most general to specific: order, suborder, great group, subgroup, family and series. Soil properties that can be measured quantitatively are used in this classification system – they include: depth, moisture ...

  6. Clay - Wikipedia

    en.wikipedia.org/wiki/Clay

    Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide .

  7. Caliche - Wikipedia

    en.wikipedia.org/wiki/Caliche

    Caliche forms where annual precipitation is less than 65 centimeters (26 in) per year and the mean annual temperature exceeds 5 °C (41 °F). Higher rainfall leaches excess calcium completely from the soil, while in very arid climates, rainfall is inadequate to leach calcium at all and only thin surface layers of calcite are formed.

  8. California bearing ratio - Wikipedia

    en.wikipedia.org/wiki/California_bearing_ratio

    The California Bearing Ratio ( CBR) is a measure of the strength of the subgrade of a road or other paved area, and of the materials used in its construction. The ratio is measured using a standardized penetration test first developed by the California Division of Highways for highway engineering. [ 1] Empirical tests measure the strength of ...

  9. List of California state agencies - Wikipedia

    en.wikipedia.org/wiki/List_of_California_state...

    Business, Consumer Services, and Housing Agency, California (BCSH) Cannabis Control, Bureau of. Cemetery and Funeral Bureau (CFB) Central Valley Flood Protection Board (CVFPB) Child Support Services, Department of (CDCSS) Chiropractic Examiners, Board of (BCE) Citizens Compensation Commission, California.