The expedition's camp is on the opposite side of the river from the study sites.

The Government has said the cave will probably remain closed to the public for many years and used exclusively as a study site.

"The paleoecological record does not show that species at our study sites in the last 800 years."

Ten years later, in 1989, he returned to census 26 of his study sites.

You may be asked to: Commute back and forth to the study site.

The study sites were rock pools on the coast of Maine.

He has reported that the vole population at his study sites in summer and fall of 2004 was the lowest since 1992.

Several families at each study site spoke with appreciation about the care they receive through the military health care system.

You may have to: Make more trips to the study site.

The study sites were near natural areas that are home to wild bees.