This 1820 lithograph by Rudolph Ackermann, based on Captain James Barton's original drawing, depicts the town of Kalyan in the Northern Konkan. Located about 30 miles northeast of Bombay, Kalyan was a key site during British colonial expansion, with its market town and factory founded in 1674. The lithograph is part of '12 Views of Hill Forts in the Western Ghats near Bombay'.