All files are in standard UTM projection
     Zone 13, NAD27, Horizontal Meters, Vertical Feet
All files are Zipped to reduce file size and download time.

---

1:24,000 Scale - 10 Meter (1/3 Arc Second) Resolution

O39105e2_NED10.zip (2.1 MB) contains:

O39105e2_NED10.dem      Indian Hills, Colorado

Right Click O39105e2_NED10.zip  and select
Save Target As... to download file.

1:24,000 Scale - 30 Meter (1 Arc Second) Resolution

O39105e2_NED30.zip (0.3 MB) contains:

O39105e2_NED30.dem      Indian Hills, Colorado

Right Click O39105e2_NED30.zip and select
Save Target As... to download file.