He has some other articles about less than perfect workout locales also.
If you are spending a month there, you can also up your conditioning and do bodyweight stuff to maintain strength. I am sure you can find a tree to do pull ups and you can practice one leg squats almost anywhere. If you have a buddy, pick up him in a fireman's carry and squat with him. You could also just take the month off and totally recuperate and stoke your fires to workout.
Buy some blast straps or TRX stuff to hang from something.
Depending on where you are staying, I am sure you can find something heavy to pick up ala strongman. Make a sandbag while you are there. You are only limited by your creativity.