Linked Data Explorer
Frost data of the United States : and length of the crop-growing season, as determined from the average of the latest and earliest dates of killing frost
- "Length of the crop-growing season, as determined from the average of the latest and earliest dates of killing frost"@en
- "Frost data and length of the crop-growing season"@en
- "Periodicals"@en
- "Maps"@en
- "Frost Data of the United States ; and length of the crop-growing season, as determined from the average of the latest and earliest dates of killing frost"
- "Frost data of the United States : and length of the crop-growing season, as determined from the average of the latest and earliest dates of killing frost"@en