SELECT listed FROM table_name_83 WHERE county = "antelope" AND location = "royal" AND name = "verdigris creek bridge"
CREATE TABLE table_name_83 (listed VARCHAR, name VARCHAR, county VARCHAR, location VARCHAR)
สะพาน Verdigris Creek ใน Royal of Antelope County จะมีการจดทะเบียนเมื่อใด
what's the listing date for the verdigris creek bridge in royal of antelope county?