Sample DRGs for GRASS Workshop MUM3 2005

DRGs of Spearfish and Deadwood North postprocessed for
GRASS Spearfish sample dataset
(http://grass.itc.it/download/data.php) in order
- to match the dataset definitions
    Spearfish (SD), UTM zone 13N NAD27/Clarke66.

Scale:      1:24000
Resolution: 2m

Postprocessed by Otto Dassau, GDF Hannover bR Germany,
with GRASS (http://grass.itc.it).

Permission: See file 'spearfish_drg24_permission.mbox'