cover title, ii+167 p. il. 102 p. of pl. and maps, 10 tab., 4°
Notes:
[Prepared in cooperation with Michigan Agricultural Experiment Station. Text on p. 2 of cover. One map is colored.]
Notes:
[Prepared in cooperation with Michigan Agricultural Experiment Station. Text on p. 2 of cover. One map is colored.] * For Sale by Superintendent of Documents. Paper, $5.50. • Sent to Depository Libraries. Item 102 (Rev. 1957)
Availability:
* For Sale by Superintendent of Documents. Paper, $5.50. • Sent to Depository Libraries. Item 102 (Rev. 1957)