3.--Profile of basin of Usumacinta River
at study site (not at scale)
In December of 2002, a coalition led by the environmental organization Grupo de los Cien and the NGO Rios Mayas sent a letter to then-President Vicente Fox (2000-2006) pointing out that the Usumacinta River
was important to the Maya civilization, and therefore the project should not go forward.
The FPCR, to which Mendez Barrios belonged, strongly opposed a number of ongoing hydroelectric projects on the Usumacinta River
, which originates in the Chama mountain range and has a basin of 106 sq km that stretches across the states of Tabasco and Northeastern Chiapas in Southern Mexico, as well as the departments of Quiche, Huehuetenango, Alta Verapaz, and Peten in Guatemala.
Study site: This study was carried out in February 2009 at the Recreo locality (17[degrees]28'52" N and 91[degrees]25'17" W) on the Usumacinta River
. Five females and two males of the species E.
Second, the relevant boundaries for different types of observation are rarely coincident, even if they share similar scales; for instance, in the 1820s the Usumacinta River
came to be used as the national border between Mexico and Guatemala.
According to archaeologists, such bloodletting finds an exact parallel in a well-documented ceremony that took place in the Maya city state of Yaxchilan on the Usumacinta River
, not far from Tozzer's study village, on July 1 in the year 741.
The PPP would dam the Usumacinta River
bordering Mexico and Guatemala, the largest river between Texas and Venezuela, to generate electricity on a scale approaching Egypt's Aswan Dam.
The longest, on the southern spread, involved a 1,988-foot crossing under the Usumacinta River
that was completed in 18 days.
Full spread construction on this segment is underway commencing near Ciudad Pemex and continuing toward the Usumacinta River
, with grading over 85 percent complete, welding nearly 68 percent complete and lower-in/backfill roughly 45 percent complete as of mid-June.
The dams would be built along the Usumacinta River
and its tributaries and would create a lake that would immerse the ruins at Yaxchilan and Piedras Negras, according to the group.