Text from the report of a lecture from 'The Scottish Farmer' January 18, 1908 on 'what agricultural authorities say in favor of basic slag. Principal R. Patrick Wright, West of Scotland College on the improvement of poor permanent pasture, soil, pure reclaimed moss, formerly covered by poor, brown unnutritious herbage test at labour farm colony, Mid Locharwoods, Dumfrieshshire.' Also notes the cost of manure applied per acre and profit.

Photograph of two boxes of basic slag on grassland with heavy soil which were part of the Bath and West Society experiment in November 1901. The experiment was discussed in Vide Socity's Journal in 1903, pg. 17 and was shown at the "Royal", June 23, 1903. The sign on the boxes note that one is without basic slag and the other is with basic slag, but both samples were sent by John Reeve of West Grinstead, Horsham.

Photograph in an article of black cotton soil cracked by drought.

Diagram of the method of cleaning cattle and soil of ticks by pasture rotation from Louis A Klein's Report on Method, 1907.

Photographs of the development of four wheat seedlings in aqueous extracts of soil samples from poor Cecil clay, from good Cecil clay, from poor Leonardtown loam, and from good Leonardtown loam.

Photograph of four samples of the development of wheat seedlings in aqueous soil with two from Takoma Park, Washington DC and two from Statesville, North Carolina in the mid 20th century.

Illustration and text on examining soil for drainage using water level test holes to investigate the nature of the soil and subsoil of the land.

Letter from 3rd Earl of Hopetoun to Joseph Black regarding gold soil.

Letter from 3rd Earl of Hopetoun to Joseph Black regarding gold soil.

Letter from Lord Kames to Joseph Black about soil.