3. The Flagner Packing House was short lived and disappeared in 1915 to make way for the Exchange Lemon Products plant was built. For unknown reasons, the Sanborn Map Company changed the name to Flagner.

4. Thieme Lemon Products was built in 1905, renamed the Orange Heights Fruit Association in 1907. In the 1940's it became part of the Corona Foothill Lemon Company, which owned several different packing houses under the same name

5. The Corona Packing Company became the Randolph Fruit Company and in 1928 became the Riverside County Select Groves and in the 1940's became part of the Corona Mutual Groves.

6. California Citrus Union, which became the Corona Box Company in the 1920, supplying the Houses with boxes and the groves with crates.

7. The Boston and South Riverside (which was what Corona was called for many years) Fruit Company? became the Orange Heights Fruit Association in 1911.

8. Corona Lemon Company packed for Sunkist and was eventually sold to them in 1956.

9. The Call Fruit Company, later renamed the A.F. Call Estates Orange and Lemon Packing House? was the second House (of three) in Corona to be served by both the AT&SF Ry. Co. and the Pacific Electric at the same time. Call was in business into the 1940's.

10. The Sparr Fruit Company was short lived and a smaller operation which disappeared in the 1940's.

11. The largest citrus facility in Corona was the Exchange Lemon Products Company, built? in 1915. Using cull lemons, the plant produced citric acid, pectin, lemon? oil and lemon juice. This is also where the steam whistle was located.

12. The Orange Heights Orange Association was the last House constructed? in Corona. Built in the 1940's to replace another House lost to fire (a very common death to Houses). This was the third House to be served by both the AT&SF Ry. Co and the Pacific Electric at the same time.

A perspective note: These Houses were all built alongside the Santa Fe main line in a distance of just two miles. At their height, the Santa Fe employed three switching crews for citrus service alone.