Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Frontiers of the Roman Empire' has mentioned 'Fort' in the following places:
Occurrence Sentence Text Source
This limes was a river border (limes ripa) on the Rhine, defended by a chain of camps, that ran from the North Sea (Katwijk-Brittenburg camp) to Vinxtbach (opposite Rheinbrohl fort on the Upper Germanic Limes), forming the border between the Roman provinces of Germania Inferior and Germania Superior.
Reconstructed east gate of the fort at Welzheim, Germany Reconstructed wooden tower nearby Rainau, Germany