Canyon Sketches Vol 05 - August 2008
Park Biologists Conserve Rare Plant
Plant biologists identified several populations of Tusayan flameflower (Phemeranthus validulus) in areas that will be impacted by the construction of parking lots at Canyon View Information Plaza. In order to conserve this rare Grand Canyon species, they recently salvaged plants from construction zones and transplanted them in suitable habitat nearby.

Canyon Sketches Vol 04 – June 2008
Vanishing Treasures Archeologists Stabilize Transept Ruin
In late June 2008, archeologists from Grand Canyon National Park’s Division of Science and Resource Management cleaned and stabilized Transept Ruin, a two-room ancestral Puebloan (Anasazi) ruin on the North Rim.

Canyon Sketches Vol 03 - May 2008
Archeologists Excavate Kiva by the Colorado River
Archeologists are excavating nine archeological sites along the Colorado River because they are being impacted by severe erosion. In April and May 2008, crews discovered a complete kiva during the excavation of one of these sites.

Canyon Sketches Vol 02 - April 2008
Volunteers Help Control Invasive Plants 
Invasive plants such as Sahara mustard pose a serious ecological threat to Grand Canyon. Volunteers have made important contributions towards controlling this aggressive invader over the last few years. Volunteer trips with Science and Resource Management’s vegetation program are fun and educational and give people who love Grand Canyon the opportunity to help preserve park resources.

Canyon Sketches Vol 01 - July 2007
Bat Survey Documents Populations and Nursery Colonies
At least 20 species of bats have been documented in Grand Canyon National Park, with 5 or 6 species common in the canyon. Ranger Pam Cox has initiated the first survey of bat populations in Grand Canyon National Park since a baseline survey was completed in 1996 – 1997.