171. Reference : OKH-1-1-1-171

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu man sowing seeds in his corn field | Slide

172. Reference : OKH-1-1-1-172

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman spraying herbicide in her corn field | Slide

173. Reference : OKH-1-1-1-173

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman in her corn field | Slide

174. Reference : OKH-1-1-1-174

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu man removes unnecessary weeds in the opium field | Slide

175. Reference : OKH-1-1-1-175

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman sowing seeds in her corn field | Slide

176. Reference : OKH-1-1-1-176

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman chops down a corn plant | Slide

177. Reference : OKH-1-1-1-177

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman clearing the corn field | Slide

178. Reference : OKH-1-1-1-178

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman covering seeds by using a hoe | Slide

179. Reference : OKH-1-1-1-179

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman covering seeds by using a hoe | Slide

180. Reference : OKH-1-1-1-180

Doi Laan Village, Chiang Rai province

| 1982 | A Lisu woman spraying herbicide in her corn field | Slide