John Yellow Hawk’s garden is one of many new feeders of Pine Ridge Indian Reservation’s developing economy. This past year, Yellow Hawk and 20 other Oglala gardeners each received a $1,000 loan and a $2,000 grant from Citigroup via Lakota Funds, a 26-year-old Native community development financial institution in Kyle, South Dakota, on the northern end of the reservation. With this support, the gardeners purchased the seeds, tools, fencing and other items and services needed to get market plots under way...