Evolution of the landscape along the Clear Creek Corridor, Colorado--Urbanization, aggregate mining, and reclamation

Online link https://geo-nsdi.er.usgs.gov/metadata/map-i/2760/metadata.faq.html
Description Prime agricultural land along the Clear Creek floodplain, Colorado, attracted settlement in the 1850's but the demand for sand and gravel for 1900's construction initiated a sequence of events that exceeded previous interests and created the modified land
Originators Arbogast, Belinda; Knepper, Daniel H., Jr.; Melick, Roger A.; and Hickman, John

Related topics

States or counties

agg2.dbf

Stream terrace and flood-plain deposits

Label Definition
LFUNIT (no definition)
RCLASS (no definition)
NOTE (no definition)
COMMENT (no definition)
RCODE (no definition)

hydro3l.dbf

Water features as of 1931

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TYPE Type of watercourse

hydrol01.dbf

Water features as of 1901

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hydrop01.dbf

Water features as of 1901

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TYPE Type of water body

hydrop94.dbf

Water features as of 1994

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TYPE Type of water body

pits37pt.dbf

Point locations of gravel pits 1920-1950

Label Definition
TYPE Commodity type

pits57pt.dbf

Point locations of stone quarries, gravel pits, and clay pits 1950-1960

Label Definition
TYPE Commodity type

pits67pt.dbf

Point locations of stone quarries, gravel pits, and clay pits 1960-1990

Label Definition
TYPE Commodity type

pits94pt.dbf

Point locations of quarries, gravel pits, and clay pits 1990-1998

Label Definition
TYPE commodity type

pitsum37.dbf

Sand and gravel pit polygon areas 1920-1950

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pitsum57.dbf

Sand and gravel pit polygon areas 1950-1960

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pitsum67.dbf

Sand and gravel pit polygon areas 1960-1990

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pitsum94.dbf

Sand and gravel pit polygon areas 1990-1998

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rail01.dbf

Railroads as of 1901

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rail94.dbf

Railroads as of 1994

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MAJOR1 (no definition)
MINOR1 (no definition)

riparian.dbf

Extent of riparian habitat

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road01.dbf

Roads as of 1901

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ID (no definition)

road94.dbf

Roads as of 1994

Label Definition
ID (no definition)
MAJOR2 (no definition)
MINOR2 (no definition)
MAJOR3 (no definition)
MINOR3 (no definition)
ROUTE Interstate route numbers
STROUTE State route numbers

urban01.dbf

Urban extent in 1901

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ID (no definition)

urban90.dbf

Urban extent in 1996/1997

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LEVEL1 (no definition)
LEVEL2 (no definition)
LEVEL3 (no definition)
LEVEL4 (no definition)
LEVEL5 (no definition)
LULC (no definition)
LULC_CODE (no definition)