Ditches Drainage Public works Aguadulce (Panama : District)
Aguadulce (Panama : District)
Item No. 1412; Written on verso: "A completed main drainage ditch at Aguadulce. Depth 5 to 7 feet. Gradient in foreground exactly 1%. The 36" concrete culvert has around 4% gradient. Paving by 1/3 sections of tongue and groove concrete pipe ie 1 bbl cement makes 24 feet of paving as shown"
University of Miami Libraries
University of Miami Libraries. Cuban Heritage Collection