Addresses on Observatory Ave in Grand Rapids Michigan

• 1807 Observatory Ave
• 1808 Observatory Ave
• 1815 Observatory Ave
• 1816 Observatory Ave
• 1823 Observatory Ave
• 1824 Observatory Ave
• 1831 Observatory Ave
• 1832 Observatory Ave
• 1837 Observatory Ave
• 1838 Observatory Ave
• 1845 Observatory Ave
• 1846 Observatory Ave
• 1853 Observatory Ave
• 1854 Observatory Ave
• 1859 Observatory Ave
• 1860 Observatory Ave
• 1901 Observatory Ave
• 1902 Observatory Ave
• 1909 Observatory Ave
• 1910 Observatory Ave
• 1917 Observatory Ave
• 1918 Observatory Ave
• 1926 Observatory Ave
• 1929 Observatory Ave
• 1932 Observatory Ave
• 1939 Observatory Ave
• 1940 Observatory Ave
• 1947 Observatory Ave
• 1970 Observatory Ave