Corrections based on GPS tracks and local knowledge
Corrections based on GPS tracks and local knowledge
Corrections based on GPS tracks and local knowledge
Corrections based on GPS tracks and local knowledge
Corrections based on Bing and local knowledge
Corrections based on GPS tracks and further checks with BING and validator
Corrections based on GPS tracks
Corrections based on GPS tracks
Edits based on GPS tracks and local survey near Schwickershausen
Edits based on GPS tracks and some corrections from bing around Festung Rüsselsheim
Edits based on GPS tracks and some corrections from bing around Festung Rüsselsheim
Edits based on GPS tracks and some corrections from bing around Festung Rüsselsheim
Edits based on GPS tracks and some corrections from bing along a car tour near Mainz
Corrections after validator use...
Corrections after validator use...
Corrections after validator use...
Extension of a large woodland multipolygon based on areal pictures from GNI
Änderungen am Wald beim Kloster Ebersbach auf Basis von Yahoo-Bildern