Harbaugh, Leonard. 1792-1820. Washington, D.C.. master builder --inventor --engineer --architect --

Access_id	30860 (1)
Rediscov_id	15098 (1)
Name	Harbaugh, Leonard (3)
Active date	1792-1820 (15)
Location	Washington, D.C. (714)
Trade	master builder --inventor --engineer --architect -- (1)