From The Enigma
NPL Magazine - Sept. 2013
LEXMAN

[The two cuewords in this flat can be replaced by two anagrams.]

From the California men who AIR
Came the RIA trousers we all wear.

HINT:
#1: California Gold Rush
#2: AIR could be PANNED, but that wouldn't work as an anagram.

Answers:

MINED
DENIM

Note from JA: These are called perfect anagrams - exact reversals of each other. Fpr more examples of perfect anagrams, see ANAGRAMS IV - posted June 17, 2011