localities at the entrance of the Cañadón Los Chivos,
Cañadón Las Minas, and Sierra de la Manea.
Most of these localities are placed on both sides of
the Chubut River, up to 8 km distant from one
another. Only in the most distant locality of La
Manea, which is placed some 30 km away from
Puesto Almada, several layers with abundant fish
remains appear, intercalated with desiccation
cracks