This branch of the USGS Library collection covers earth science topics; geology, and space science. They have special collections of astrogeology monthly reports and astrogeology interagency reports.

From the Airport or Phoenix:

• Take I-17 North to Flagstaff. I-17 becomes Milton Avenue.
• Follow Milton to Route 66, then head east to San Francisco Street and turn left.
• Continue past hospital to Forest Avenue, then turn right.
• Drive to the top of the mesa and turn left on Gemini Drive.
• The library is located in Building 6.

From the East:

• From I-40, take Exit 201 for Flagstaff/Page and head west on Route 66 toward Flagstaff.
• Continue to the 4th Street stop light and turn right.
• Go north on 4th Street to the second traffic light, then turn left on Cedar Avenue.
• Drive to the top of the mesa and turn right on Gemini Drive.
• The library is located in Building 6.

From the West:

• From I-40, take Exit 195 for Flagstaff/Grand Canyon.
• Take I-17 North to Flagstaff. I-17 becomes Milton Avenue.
• Follow Milton to Route 66, then head east to San Francisco Street and turn left.
• Continue past hospital to Forest Avenue, then turn right.
• Drive to the top of the mesa and turn left on Gemini Drive.
• The library is located in Building 6.