A number tells the story -- in these Haiku

     One of my neighbors, Carol, has been cleaning out bookshelves and offered me her old copy of Gary Snyder's collection,  The Back Country (New Directions, 1971) -- and in it I have found four pages of "Hitch Haiku."  Three of these little poems each depend on a number -- and I offer them below.
   
     A truck went by
                    three hours ago:
     Smoke Creek desert

Over the Mindano Deep             
                         

                                                  Scrap brass
                                                                 dumpt off the fantail
                                                  falling six miles

     Stray white mare
                    neck rope dangling
     forty miles from farms.

Natural numbers

     My just-previous posting tells of a Monday poetry reading I was able to attend.  On Monday, May 14, a poetry reading took place that I wanted to attend but missed; poet Gary Snyder read at the Folger Shakespeare Library. 
     Written in the 1950s and read by him here on YouTube, Gary Snyder's poem, "Hay for the Horses," involves a mathematical calculation: