Geologic map of the Dillon 7 1/2 minute quadrangle, Summit and Grand Counties, Colorado

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Frequently anticipated questions:

What does this data set describe?

Geologic map of the Dillon 7 1/2 minute quadrangle, Summit and Grand Counties, Colorado
This map is superceded by U.S. Geological Survey Miscellaneous Field Studies Map MF-2390.
This is a digital geologic map of the Dillon Quadrangle, Summit and Grand Counties, Colorado.
  1. How might this data set be cited?
    Kellogg, Karl S., 1997, Geologic map of the Dillon 7 1/2 minute quadrangle, Summit and Grand Counties, Colorado: U.S. Geological Survey Open-File Report 97-738, U.S. Geological Survey, Denver, Colorado.

    Online Links:

    Other_Citation_Details: This map has been superceded by MF-2390
  2. What geographic area does the data set cover?
    West_Bounding_Coordinate: -106.13
    East_Bounding_Coordinate: -106.0
    North_Bounding_Coordinate: 39.75
    South_Bounding_Coordinate: 39.63
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Calendar_Date: 1997
    publication date
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: map
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?
      This is a vector data set.
    2. What coordinate system is used to represent geographic features?
  7. How does the data set describe geographic features?
    All attributes are numerical, and no definitions were found for any of the coverages.
    Entity_and_Attribute_Detail_Citation: Map unit explainations are in the file dillon.txt.

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
    • Karl S. Kellogg
  2. Who also contributed to the data set?
    Assisted in the field by A.M. Licamelli and K.M.Theissen; digital assistance by J. Feinstein
  3. To whom should users address questions about the data?
    Kellogg, Karl
    Mail Stop 913, USGS
    Box 25046, Denver Federal Center
    Denver, CO

    303-236-1305 (voice)

Why was the data set created?

To provide to the public a digital geologic map database of the Dillon Quadrangle, Colorado.

How was the data set created?

  1. From what previous works were the data drawn?
  2. How were the data generated, processed, and modified?
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: None
Use_Constraints: None
  1. Who distributes the data set? (Distributor 1 of 1)
    USGS Information Services
    Box 25286, Denver Federal Center
    Denver, Colorado

    1-888-ASK-USGS (voice)
    1-303-202-4695 (FAX)
  2. What's the catalog number I need to order this data set? USGS Open-File Report 97-0738
  3. What legal disclaimers am I supposed to read?
    This database, identified as USGS Open-File Report 97-0738, has been approved for release and publication by the Director of the USGS. Although this database has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use.
  4. How can I download or order the data?

Who wrote the metadata?

Last modified: 14-Jun-2016
Metadata author:
Peter N Schweitzer
USGS Midwest Area
Collection manager, USGS Geoscience Data Clearinghouse,
Mail Stop 954
12201 Sunrise Valley Dr
Reston, VA

703-648-6533 (voice)
703-648-6252 (FAX)
Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001-1998)

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