If there are farmers then in the Amargosa Valley, about 20 miles away, as there are now, they would be the first to drink contaminated water and use it on their crops.
(the first; to use; it; L:on their crops) (they; would be; the first to drink contaminated water and use it on their crops) (the first; to drink; contaminated water)
the first they the first
to use would be to drink
it L:on their crops
the first to drink contaminated water and use it on their crops
contaminated water