Problems in Primary Production 
157 
Information may be gathered from this volume and from general 
geographies, encyclopedias, magazines, and newspapers. If possible, 
illustrate the booklet with appropriate pictures, and give it an at- 
tractive cover. The following material should be included : 
(1) A sketch map of the whole of the United States, showing the location 
of the particular section treated, which may be marked with heavy lines. 
(2) A map of the section, as large as a page of the booklet will permit, show- 
ing cities, rivers, mountains, and other features mentioned in the text 
of the booklet. 
(3) A brief statement of the conditions of (a) temperature, (b) rainfall, (c) 
relief, and (d) soil. 
(4) A description of (a) the farming conditions, (b) the chief crops raised, 
(¢) the manner of raising them. 
(5) A description of lumbering conditions. 
(6) A description of mining conditions. 
(7) A description of fishing conditions. 
(8) At the end, a list of the books used in preparing the material. 
When the booklets are completed, have an exhibit of them, so that 
each member of the class may have an opportunity to learn from the 
work of the others.