Aaliyah Rodriguez, right, a sixth-grade student from Escalante Middle School leads classmates on snowshoes into the Haviland Lake and Chris Park area to study the watershed by learning various techniques to measure snow depth and water content of snow Wednesday as part of a program through Durango Nature Studies. Photo by Shaun Stanley/Durango Herald

Lead by Durango Nature Studies Program Facilitator Grace Gordon, center left, sixth-grade students from Escalante Middle School head off by snowshoe into the Haviland Lake and Chris Park area to study the watershed by learning various techniques to measure snow depth and water content of snow Wednesday. Photo by Shaun Stanley/Durango Herald

Jaida Ladnier, a sixth-grade student from Escalante Middle School, helps classmates dig a snow pit in the Haviland Lake and Chris Park area while studying the watershed by learning various techniques to measure snow depth and water content of snow Wednesday through Durango Nature Studies. Photo by Shaun Stanley/Durango Herald

As Ryan Brunk, center, watches, classmate Jaida Ladnier, a sixth-grade student from Escalante Middle School, digs a snow pit in the Haviland Lake and Chris Park area that will be used in studying the watershed by her class Wednesday through a program lead by Durango Nature Studies program facilitator Grace Gordon, right. Photo by Shaun Stanley/Durango Herald

Lead by Durango Nature Studies program facilitator Grace Gordon, sixth-grade students from Escalante Middle School head off by snowshoe into the Haviland Lake and Chris Park area to study the watershed by learning various techniques to measure snow depth and water content of snow on Wednesday. Photo by Shaun Stanley/Durango Herald

Durango Nature Studies program facilitator Grace Gordon, left, calls upon sixth-grade student Maren Clay, right, from Escalante Middle School to explain her findings while the class conducted snow and water-content measurements in the Haviland Lake and Chris Park area on Wednesday as part of a program to understand the watershed in the region. Photo by Shaun Stanley/Durango Herald

Ethan Pepperdine, right, a sixth-grade student from Escalante Middle School, selects a spot to measure the snowpack in Haviland Lake and Chris Park area while his class studies the watershed by learning various techniques to measure snow depth and water content of snow Wednesday through Durango Nature Studies. Photo by Shaun Stanley/Durango Herald

Ethan Pepperdine, left, Maren Clay, center, and Rebekah Latham, sixth-grade students from Escalante Middle School measure the snowpack in Haviland Lake and Chris Park area while their class studies the watershed Wednesday through Durango Nature Studies program. Photo by Shaun Stanley/Durango Herald