You have given a double meaning - if it's untreated, then there is NO creosote. If there IS creosote then it IS treated. -Which is it to be.
Creosote has a history as a skin irritant as well as a cancer causing agent. the fumes can irritate lungs as well. See the attached website.
George W. Bush, Ronald Reagan, George Bush
George H Bush......for A+ students Socorro High Bulldog Pride
George W. Bush (43rd President) is a Republican, as is his father George H. Bush (41st President).
the creosote bush lives in the desert
The scientific name for creosote bush is Larrea tridentata.
The leave of the creosote bush are covered in a layer of wax and they fold together during the day.
It is made from the creosote bush that grows in the desert Southwest in the United States.
Creosote bush or Larrea Tridentata grows in the Desert Southwest; it gives the desert rain its marvelous trademark smell
The creosote bush is a dark olive color and has fuzzy seed pods.
Creosote bush exist in Mexico and in the Southern part of US, in dessert areas.
Both plants are found in the Chihuahuan Desert and the Sonoran Desert.
All plants in the region are producers. The most visible are the creosote bush, mesquites and grasses.
antagonistic interactions among individuals in the population
The word sought may be "creosote" (a thorny bush, and also the extract used to preserve word).
In American deserts - cacti, yucca plants, and ocotillo, mesquite, creosote bush, palo verde, etc.