Still stumped with these!
31d Mud and air mixed with a product of radon decay (6,1)
R?D???, A
45a But Goliath may be a bit less inclined --(2,5) T?, L???H
58a What Oliver dies for more amphibians (4) ???S
59d Look over 1000 companies returns for salmon (7)??C?E?E
87d Uniform: wearing tin star?
(3) S?N