Tag 'railway:signal:train_protection:form = sign'

Value histogram for key 'source'

• 4: estimate; extrapolate; survey
• 4: estimation; survey
• 2: bing; estimation; survey
• 1: bing; estimate; survey
• 1: estimation; surveys; Bing
• 1: estimation; surveys

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Quelle / Ursprung dieser Information: OpenStreetmap