Washes and Rivers within Clark County - DFIRM

Frequently-anticipated questions:

• What does this data set describe?
  1. How should this data set be cited?
  2. What geographic area does the data set cover?
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
  5. What is the general form of this data set?
  6. How does the data set represent geographic features?
  7. How does the data set describe geographic features?
• Who produced the data set?
  1. Who are the originators of the data set?
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?
• Why was the data set created?
• 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?
  1. How well have the observations been checked?
  2. How accurate are the geographic locations?
  3. How accurate are the heights or depths?
  4. Where are the gaps in the data? What is missing?
  5. How consistent are the relationships among the data, including topology?
• How can someone get a copy of the data set?
  1. Are there legal restrictions on access or use of the data?
  2. Who distributes the data?
  3. What's the catalog number I need to order this data set?
  4. What legal disclaimers am I supposed to read?
  5. How can I download or order the data?
• Who wrote the metadata?

What does this data set describe?

1. How should this data set be cited?

   Federal Emergency Management Agency, Unknown, Washes and Rivers within Clark County - DFIRM: Unknown Unknown, Unknown, Unknown.

   Online Links:

   • <ftp://www.ccrfcd.org/Shapefiles>

2. What geographic area does the data set cover?

   West_Bounding_Coordinate: -115.897982

   East_Bounding_Coordinate: -114.033839

   North_Bounding_Coordinate: 36.855382

   South_Bounding_Coordinate: 34.997246

3. What does it look like?

   <http://www.ccrfcd.org/images/gis_metadata/femawash.jpg> (JPEG)

   Washes and Rivers Within Clark County - DFIRM

4. Does the data set describe conditions during a particular time period?

   Calendar_Date: September, 2002

   Currentness_Reference: ground condition

5. What is the general form of this data set?

   Geospatial_Data_Presentation_Form: vector digital data

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. It contains the following vector data types (SDTS terminology):

      • String (13403)

   2. What coordinate system is used to represent geographic features?

      The map projection used is Transverse Mercator.

      Projection parameters:

      Scale_Factor_at_Central_Meridian: 0.999900

      Longitude_of_Central_Meridian: -115.583333

      Latitude_of_Projection_Origin: 34.750000

      False_Easting: 656166.666667

      False_Northing: 26246666.666667

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.000369
      Ordinates (y-coordinates) are specified to the nearest 0.000369
      Planar coordinates are specified in survey feet

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257222.
      

      Vertical_Coordinate_System_Definition:

      Altitude_System_Definition:

      Altitude_Resolution: 1.000000

      Altitude_Encoding_Method:

      Explicit elevation coordinate included with horizontal coordinates

7. How does the data set describe geographic features?

   GISMO.RFCGIS.FEMAWASH_L

   Washes and Rivers within Clark County (Source: FEMA)

   FNODE_

   Undocumented (Source: Unknown)

   Frequency of measurement: Unknown

   TNODE_

   Undocumented (Source: Unknown)

   Frequency of measurement: Unknown

   LPOLY_

   Undocumented (Source: Unknown)

   Frequency of measurement: Unknown

   RPOLY_

   Unknown (Source: Unknown)

   Frequency of measurement: Unknown

   LENGTH

   Length (Source: Unknown)

   Frequency of measurement: Unknown

   FEMAWASH_

   Undocumented (Source: Unknown)

   Frequency of measurement: Unknown

   FEMAWASH_ID

   Undocumented (Source: Unknown)

   Frequency of measurement: Unknown

   WTR_LN_ID

   Undocumented (Source: Unknown)

   Frequency of measurement: Unknown

   WATER_TYP

   Type of water feature (Source: Unknown)

   Frequency of measurement: Unknown

   WTR_NM

   Name or identifier of water feature (Source: Unknown)

   Frequency of measurement: Unknown

   GID

   Unknown (Source: Unknown)

   Frequency of measurement: Unknown

   GID.len

   Unknown (Source: Unknown)

   Frequency of measurement: Unknown

   GID.fid

   Internal feature number. (Source: ESRI)

   Frequency of measurement: Unknown

   Sequential unique whole numbers that are automatically generated.

   Entity_and_Attribute_Overview: No documentation was provided with the digital data.

   Entity_and_Attribute_Detail_Citation: Unknown

Who produced the data set?

1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
   • Federal Emergency Management Agency

2. Who also contributed to the data set?

   Michael Baker, Inc. for the Federal Emergency Management Agency

3. To whom should users address questions about the data?
   FEMA
   Unknown
   

   Unknown (voice)
   Unknown (FAX)
   Unknown
   

   Hours_of_Service: Unknown

Why was the data set created?

This featureset was created as a byproduct of the Digital Flood Insurance Rate Map (DFIRM) restudy completed in September, 2002 amd provided as part of a digital dataset.

How was the data set created?

1. From what previous works were the data drawn?

   (source 1 of 1)

2. How were the data generated, processed, and modified?

   (process 1 of 1)

   None

   Data sources used in this process:

   • Unknown

   Data sources produced in this process:

   • Unknown

3. What similar or related data should the user be aware of?

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

1. How well have the observations been checked?

   None

2. How accurate are the geographic locations?

   None

3. How accurate are the heights or depths?

   None

4. Where are the gaps in the data? What is missing?

   None

5. How consistent are the relationships among the observations, including topology?

   None

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)
   Federal Emergency Management Agency
   Unknown
   

   Unknown (voice)
   Unknown (FAX)
   

   Hours_of_Service: Unknown

2. What's the catalog number I need to order this data set?

   Downloadable Data

3. What legal disclaimers am I supposed to read?

   None

4. How can I download or order the data?
   • Availability in non-digital form:

     Unknown

   • Cost to order the data:

5. Is there some other way to get the data?

   None

6. What hardware or software do I need in order to use the data set?

   None

Who wrote the metadata?

Dates:

Last modified: 04-Jun-2009

Metadata author:

Federal Emergency Management Agency
REQUIRED: The city of the address., REQUIRED: The state or province of the address. REQUIRED: The ZIP or other postal code of the address.

Unknown (voice)
Unknown (FAX)
Unknown

Hours_of_Service: Unknown

Metadata standard:

FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)

Metadata extensions used:

• <http://www.esri.com/metadata/esriprof80.html>