Source: Aurora (1923) Ad:

Estep's Pure Milk Dairy
ALL MILK CLARIFIED AND PASTEURIZED.
ALL BOTTLES AND MILK UTENSILS HANDLED IN A SANITARY WAY.
USE MILK YOU KNOW IS PURE AND HAS BEEN PASTEURIZED.
BE SURE AND LET US SUPPLY YOUR NEEDS.
Plant is located on 201 First Street, North Manchester, Indiana
U.G. ESTEP, Prop.
Phone: Eel River 585     Phone: Rex 3 on 47