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  2. 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 ...

  3. 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.

  4. 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 ...

  5. Ultisol - Wikipedia

    en.wikipedia.org/wiki/Ultisol

    Ultisol. Ultisol, commonly known as red clay soil, is one of twelve soil orders in the United States Department of Agriculture soil taxonomy. The word "Ultisol" is derived from "ultimate", because Ultisols were seen as the ultimate product of continuous weathering of minerals in a humid, temperate climate without new soil formation via glaciation.

  6. United States Department of Agriculture - Wikipedia

    en.wikipedia.org/wiki/United_States_Department...

    The United States Department of Agriculture ( USDA) is an executive department of the United States federal government that aims to meet the needs of commercial farming and livestock food production, promotes agricultural trade and production, works to assure food safety, protects natural resources, fosters rural communities and works to end ...

  7. 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 ...

  8. 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.

  9. Clay - Wikipedia

    en.wikipedia.org/wiki/Clay

    A Quaternary clay deposit in Estonia, laid down about 400,000 years ago. 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 ( OH) 4 ). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities ...