November 20, 2013
USGS NGTOC
Elevation Unit - Lidar
Rolla, MO 65401


ME_Southeren-Areas_2012

**ERRORS**

1) SWATH Las: Some files have no coordinate/projection information.

2) SWATH Las that has coordinate/projection information is WGS84/UTM zone 19N
   CLASSIFIED Las is in NAD83/UTM zone 19N

3) No PROJECT-level Metadata was delivered to the NGTOC.

4) QA/QC points (shapefile) elevation info is off by one, sometimes two, decimal points.

DEM errors...
5) 1 @ bridge removal; roadway (bridge) above stream should be removed.

6) 3 @ culvert retention; roadway over stream should be retained in DEM.

7) 15 @ waterbodies have eleveations higher than surrounding terrain.

8) 1 @ area of missing data.

9) 1 @ waterbody (>2 acres) not flattened though breaklines provided.

10) 3 @ areas within waterbodies not completely flattened (TINing).

11) 1 @ stream with an irregular elevation break