Categories

• Geodata (27)
• Old maps (24)

Type of resources

• Dataset (51)

Topics

• Imagery base maps earth cover (27)
• Location (19)
• Boundaries (5)

Keywords

• Location (19)
• Boundaries (5)
• Imagery base maps earth cover (3)

Provided by

• IDEC Catalogue (51)

Years

• 1975 (1)
• 1971 (1)
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• 1922 (1)
• 1920 (1)
• 1917 (1)
• 1909 (2)
• 1900 (3)
• 189- (1)
• 1876 (1)
• 1867 (1)
• 1849 (1)
• 18-- (1)

Formats

• JPG (24)

Representation types

• Grid (50)
• Vector (8)
• Stereo model (2)

Update frequencies

• Continual (1)

status

• On going (14)
• Completed (7)
• Obsolete (3)

Scale

• 20000 (51)