Rules for Republishing: 1. The authors are responsible for revising their guide(s) before submitting for republication approval; 2. We are responsible for correcting any errors created by our team on your guide, before or after it has been published online. Corrections will be made as soon as possible; 3. If the authors identify an error after republication approval, they have 30 days to republish an updated version. 4. A field guide can be republished twice a year.