C. Faesi, C. Lada, J. Forbrich, K. Menten, und H. Bouy. (2014)cite arxiv:1405.2337Comment: 42 pages, 14 figures, 7 tables. Includes a complete image atlas of our HII region targets. ASCII versions of tables will be available electronically after paper is published. Accepted for publication in the Astrophysical Journal.