08 September 1990
Landsat TM
Projection - UTM Ortho-Georeferenced
Portland, ME

CD# 1564
 
27 September 2000
Landsat ETM+
Projection - UTM Ortho-Georeferenced
Portland, ME

CD# 1564
 
23 August 2001
Landsat ETM+
Projection - UTM
Southern Maine and Southeastern New Hampshire

CD# 1270