Drainage basin map: Upper Río Grande de Loíza drainage basin

Drainage basin map: Upper Río Grande de Loíza drainage basin [long-term streamflow gaging stations are the Río Grande de Loíza at Caguas (50055000) and Río Gurabo at Gurabo (50057000) shown as red triangles; other gaging stations since 1990 shown in white triangles; blue diamond is the Gurabo Agricultural Experimental Station at Gurabo; and, the Caguas Regional Wastewater Treatment plant, shown as orange square].