From her book, Harm (2011). In looking up her biography, I see that she died on May 10th of this year, at the age of 35. More here:
http://www.poetryfoundation.org/harriet/2014/05/hillary-gravendyk-1979-2014/?woo
from Unsaid / by Hilary Gravendyk (1979-2014)
if you’d speak of it
you’d say I’m like a cloud