It may refer to a river that is situated in Colorado and it is considered as the popular tourist destination during summers mainly for fishing and rafting.
This branch of study naturally conducted him to the investigation of explosives, and on the theoretical side led to the results published in his work Sur la force de la poudre et des matieres explosives (1872), while on the practical side it enabled him to render important services to his country as
poudre הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד