Focusing on the border.
K
K
Ortolon
D003695:Delivery of Health Care / Q000331:legislation & jurisprudence; D006301:Health Services Needs and Demand / Q000331:legislation & jurisprudence; D006798:Housing; D006801:Humans; D008800:Mexico; D012722:Sewage; D013781:Texas; D014881:Water Supply / Q000331:legislation & jurisprudence* / Q000592:standards
D012722:Sewage