moran worked closely with the expedition photographer, william henry jackson. together they selected the most impressive views. moran made drawings and watercolor sketches, blocking in forms d contours, quickly noting the colors of the terrain and the sulfurous deposits for which yellowstone is named. back in newark, new jersey, moran began what he termed his "big picture," "the grand canyon of the yellowstone." for moran, the spiritual, natural and aesthetic realms should blend to create a great impression. to that end, he combined different points of view into one dramatic panorama. moran explained, the precipitous rocks on the right were really at my back when i stood at that point. yet in their present position, they are strictly true to pictorial nature. my aim was to brinbefore the public the character of that region. narrator: reporting to congress, hayden suggested that the geyser region of yellowstone be set apart as a national park. congressman william kelly of pennsylvania also promoted the legislation, no doubt eager to please jay cooke, a prominent