David Escandón

Locations contributed to

Date Range	Locations	Observations	Issues
March 6, 2019 - June 23, 2020	Río Tuxcacuesco : San Juan	9	0
February 18, 2019 - June 23, 2020	Arroyo Tonaya : Desembocadura Tonaya	9	0
March 6, 2019 - June 23, 2020	Arroyo Tonaya : La Toma	9	0
November 26, 2009 - June 23, 2020	Río Ayuquila : Playa Sola	32	0
February 20, 2019 - June 23, 2020	Río Ayuquila : El Arenal	9	0
February 20, 2019 - June 23, 2020	Río Ayuquila : Los Sauces	9	0
May 4, 2017 - June 23, 2020	Arroyo El Profundo : El Profundo	31	1
April 20, 2016 - June 17, 2020	Río Tuxcacuesco : Chachahuatlán	27	0
March 26, 2019 - June 17, 2020	Río Tuxcacuesco : Tuxcacuesco	9	0
April 29, 2016 - June 17, 2020	Río Ayuquila : El Chancual	25	0