May 10, 1869 what did the telegraph read?

Promontory Summit, Utah, May 10, noon. — To the Associated Press: The last rail is laid. The last spike is driven. The Pacific railroad is completed.

Explanation:

Idk if this is the answer u were for, but this is what found.

Hope this helps!  

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.