The yellow areas (cities) not labeled are as follows:

• Northwest corner: Baroda
• Near north edge, just east of US 31: Berrien Springs
• North edge, near northeast corner: Dowagiac (pronounced doh-wah-jyak)
• East edge, jct. M-60 and M-62: Cassopolis
• Southeast corner: Northwest extreme of Elkhart, Indiana
• South edge: Northern fringe of South Bend, Indiana
• Southwest corner: New Carlisle, Indiana
• West edge, on US 12: Galien
• The boundary outlined in red is the Michigan/Indiana state line, and the north-south stream is the St. Joseph River.