24 RECORD OF DEEP WELL DRILLING FOR 1904. [bull. 264. 
The letter contained a recommendation that the present writer be 
assigned to the charge of the eastern section, which assignment was 
made by the Director on December 23. To Mr. N. H. Darton was 
assigned the charge of the western section. 
WORK OF THE DIVISION OF HYDROLOGY IN 1903. 
The designation of "well division'' later gave place to that of 
"division of hydrology," but without change of scope of work. Plans 
for collecting well records were taken up immediately on the organiza- 
tion of the division. As has been indicated, it was originally intended 
to include the collection of oil and gas records with those of water, but 
because of lack of available funds and proper assistance it was neces- 
sary to confine attention entirely to water. For use in connection 
with the collection of well data, forms for mailing to well owners and 
cards for tiling the information were prepared. The form for mail- 
ing has been slightly modified from time to time. The form now 
used is as follows: 
Sir: In its study of the water resources of the United States, which this Survey is 
making with the view of publishing the results for the benefit of the people, an 
attempt is being made to obtain important facts relating to wells, whether flowing 
or not. As it is impracticable on account of expense to visit all places, the endeavor 
is made to extend and complete the information by correspondence. If you will aid 
in this work by furnishing the 1 data requested in the following list of questions your 
assistance will be much appreciated. If you can not supply all the data, kindly 
answer such of the questions as you can, a partial report being much better than 
none. 
The following inquiry blank is on the same form with the above 
letter: 
1 . Well is in County. The nearest post-office is 
Distance of well from post-office Direction from post-office 
(Miles.) 
Locate by section if public-land surveys exist: Township , Range , 
Section , Quarter 
If in town, give street and number 
2. Owner Address 
3. Driller Address 
4. Situation of well Elevation is feet the 
(Hill, slope, plain, valley.) (Above or below. > 
level of .• 
(Sea, railroad station, lake, river. ) 
5. Type of well Year completed Diameter at 
(Dug, driven, bored, or drilled.) 
top At bottom 
6. Depth of well Does it enter rock? If so, at what depth? 
7. Depth to principal water bed Character- i >f 
water bed 
(Gravel, sand, clay, rock, etc. If rock, state kind i 
8. Were any other water beds or seams found? If so, give depth of each 
9. Give sizes and lengths of casing 
