The Kelleher Patio is in Santa Cruz CA and is a unique blend of acid stains on a Light Italian Slate texture. The stains were blended by two applicators at the same time using two different colors. The "wet on wet" process resulted in a better blend and meld of color. There are drifts of acid stained color that fall toward the drains in a random fashion. The "drifting and dripping" coloration is commonly seen in nature on cliff and mountain sides that are laden with iron oxides.