Pecos youth test stream water, help with watershed work
PECOS - The reaction was instantaneous. The clear water sample thickened and turned yellowish brown. The solids weren't present for long: Another solution was added and, as a stude…
PECOS - The reaction was instantaneous. The clear water sample thickened and turned yellowish brown. The solids weren't present for long: Another solution was added and, as a stude…