Cameron County issued the following announcement on May 29.
Specimen ballots by party and precinct are on this website..
Select Department; Election/Voter Services; Voter Forms/Information
Polls are open on Tuesday, June 2, 2020 from 7:00AM through 8:00PM. Please exercise your right to vote.
Temporary Polling places for this election only are also listed under the Election/Voter Services tab
Original source can be found here.