Major industrial region of north-west Germany

• West German river
• Steel-producing valley
• German mining region
• Between two rivers, what was that industrial region?
• West-side tributary of the Rhine
• Germany's ___ Valley
• River through Dortmund
• A tributary of the Rhine
• European area

Wikipedia Word definitions in Wikipedia
Ruhr is the name of a département of the Grand Duchy of Berg , a satellite state of the First French Empire , in present day Germany . It was named after the river Ruhr , which flows through the département. The capital was Dortmund .