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Found 182 datasets matching filters. (clear all filters)

  • #1 Federal

    IA DEM was produced from 1/3rd arc-second downloaded from viewer.nationalmap.gov/basic. The 3DEP 1/3rd arc-second DEMs, previously referred to as the National Elevation Dataset (NED), are derived...

    Search relevance: 1.00 | Views last month: 12 | Catalog Last Checked: May 05, 2026 at 08:06 PM
  • #2 Federal

    Aspect was produced from the IA DEM using ESRI's Aspect tool. Method option in the tool was ‘PLANAR'. The aspect defines downslope direction. Non-defined aspect (slope is less than or =2) are...

    Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: May 05, 2026 at 09:18 PM
  • #3 Federal

    Aspect was produced from the IA DEM using ESRI's Aspect tool. Method option in the tool was ‘PLANAR'. The aspect defines downslope direction. Non-defined aspect (slope is less than or =2) are...

    Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: May 05, 2026 at 08:02 PM
  • #4 Federal

    Slope was produced from the IA DEM using ESRIs Slope tool. Output measurement for slope was both Degrees and Percent Rise (2 files produced).

    Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:29 PM
  • #5 Federal

    IA DEM was produced from 1/3rd arc-second downloaded from viewer.nationalmap.gov/basic. The 3DEP 1/3rd arc-second DEMs, previously referred to as the National Elevation Dataset (NED), are derived...

    Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:43 PM
  • #6 Federal

    Slope was produced from the IA DEM using ESRIs Slope tool. Output measurement for slope was both Degrees and Percent Rise (2 files produced).

    Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: May 05, 2026 at 08:19 PM
  • #7 Federal

    Slope was produced from the IA DEM using ESRIs Slope tool. Output measurement for slope was both Degrees and Percent Rise (2 files produced).

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:58 PM
  • #8 Federal

    Aspect was produced from the IA DEM using ESRI's Aspect tool. Method option in the tool was ‘PLANAR'. The aspect defines downslope direction. Non-defined aspect (slope is less than or =2) are...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 10:08 PM
  • #9 Federal

    Aspect was produced from the IA DEM using ESRI's Aspect tool. Method option in the tool was ‘PLANAR'. The aspect defines downslope direction. Non-defined aspect (slope is less than or =2) are...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:20 PM
  • #10 Federal

    IA DEM was produced from 1/3rd arc-second downloaded from viewer.nationalmap.gov/basic. The 3DEP 1/3rd arc-second DEMs, previously referred to as the National Elevation Dataset (NED), are derived...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:39 PM
  • #11 Federal

    IA DEM was produced from 1/3rd arc-second downloaded from viewer.nationalmap.gov/basic. The 3DEP 1/3rd arc-second DEMs, previously referred to as the National Elevation Dataset (NED), are derived...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:10 PM
  • #12 Federal

    Slope was produced from the IA DEM using ESRIs Slope tool. Output measurement for slope was both Degrees and Percent Rise (2 files produced).

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 09:18 PM
  • #13 Federal

    IA DEM was produced from 1/3rd arc-second downloaded from viewer.nationalmap.gov/basic. The 3DEP 1/3rd arc-second DEMs, previously referred to as the National Elevation Dataset (NED), are derived...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:44 PM
  • #14 Federal

    Aspect was produced from the IA DEM using ESRI's Aspect tool. Method option in the tool was ‘PLANAR'. The aspect defines downslope direction. Non-defined aspect (slope is less than or =2) are...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:26 PM
  • #15 Federal

    IA DEM was produced from 1/3rd arc-second downloaded from viewer.nationalmap.gov/basic. The 3DEP 1/3rd arc-second DEMs, previously referred to as the National Elevation Dataset (NED), are derived...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 08:55 PM
  • #16 Federal

    This data represents the best estimated real-time trajectory and local sightings opportunities for the International Space Station (ISS) as generated by the Trajectory Operations and Planning...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 26, 2026 at 07:17 PM
  • #17 Federal

    Aspect was produced from the IA DEM using ESRI's Aspect tool. Method option in the tool was ‘PLANAR'. The aspect defines downslope direction. Non-defined aspect (slope is less than or =2) are...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 10:17 PM
  • #18 Federal

    Slope was produced from the IA DEM using ESRIs Slope tool. Output measurement for slope was both Degrees and Percent Rise (2 files produced).

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 05, 2026 at 10:05 PM
  • #19 Federal

    This data represents the best estimated real-time trajectory and local sightings opportunities for the International Space Station (ISS) as generated by the Trajectory Operations and Planning...

    Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: May 18, 2026 at 04:51 PM
  • #20 Federal

    This data represents the best estimated real-time trajectory and local sightings opportunities for the International Space Station (ISS) as generated by the Trajectory Operations and Planning...

    Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: May 18, 2026 at 04:50 PM

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