Tranquil little pocket park looked like it could use a cache to bring folks to enjoy the pastorial view. Maybe a chance sighting of a grazing cow or two.
Just a little field puzzle to figure out A, B, C, D. All answers are posted, you have but to read the information.
N 33 56.5AB W 117 41.0CD
A = 2nd digit of the year mentioned about the Slaughter Adobe MINUS 1st digit of the year mentioned about the Sugar Beet Factory = A
B = 2nd digit of the year mentioned about the decade shown in "The Hills of Chino" MINUS 4th digit of the year George Borba was born = B
C = 3rd digit of the year George Borba founded the Chino Valley Bank PLUS 4th digit of the year the George Borba and Son Dairy has been operated by the family in the Chino Valley since = C
D = 2nd digit of the year that Milford Zornes passed away MINUS 3rd digit of the year Milford Zornes was born = D
You can validate your puzzle solution with
certitude.