208 



ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Total areas surveyed and mapped in the several States in the fiscal year ended June 30, 1916, 

 and the areas previously reported — Continued. 



DETAILED— Continued. 



State. 



Work 

 during 



1916 

 (square 

 miles). 



Work 

 pre- 

 viously 

 reported 

 (square 



miles). 



Total. 



Square 

 miles. 



Acres. 



Louisiana 



Maine 



Maryland 



Massachusetts. 



Michigan 



Minnesota 



Mississippi 



Missouri 



Montana 



Nebraska 



Nevada . 



New Hampshire. 



New Jersey 



New Mexico 



New York 



North Carolina. . . 



North Dakota 



Ohio. 



Pennsylvania . . 



Porto "Rico 



Rhode Island . . 

 South Carolina. 

 South Dakota. . 



Tennessee 



Texas 



Utah. 



Vermont 



Virginia 



Washington... 

 West Virginia. 



Wisconsin 



Wyoming 



Total. 



932 

 853 



444 



1,306 

 2,076 



2 506 



155 



Oklahoma 



Oregon ■ 



772 

 2,652 

 1,378 



1,272 

 696 



1,153 



1,548 



801 

 2,598 



605 

 341 

 685 

 733 

 1,272 



38, 671 



10. 536 



939 



4 581 



1, 194 



5,015 



4,285 



17,859 



23, 909 



882 



9,082 



235 



1,411 



3,077 



596 



14,474 



21,168 



10, 129 



7,024 



4,275 



1,965 



11,932 



330 



1.085 



16, 850 



675 



7,342 



22,379 



1,951 



367 



",257 



6,837 



12,362 



10, 753 



309 



11,468 



1,792 



4,581 



1,494 



5,459 



4,285 



19,165 



25,9S5 



882 



11,588 



235 



1,411 



3,232 



596 



15, 246 



23, 820 



11,507 



8,296 



4,971 



1,965 



13,085 



330 



1,085 



18,398 



675 



8,143 



24,977 



1,951 



972 



7,598 



7,522 



13,095 



12, 025 



309 



7,339,520 

 1,146,880 

 2,931,840 



956,160 



3,493,760 



2, 742, 400 



12, 265, 600 



16,630,400 



564,480 

 7,416,320 



150,400 



903,040 

 2, 068. 480 



38li 440 

 9, 757, 440 

 15. 244, 800 

 7,364,480 

 5', 309, 440 

 3,181,440 

 1,257,600 

 8,374,400 



211,200 



694. 400 

 11,774,720 



432,000 



5, 211, 520 



15,985.280 



1,248,640 



622, 080 

 4,862,720 

 4,814,080 

 8,380,800 

 7, 696, 000 



197, 760 



369,929 



408, 600 



261,504,000 



RECONNOISSANCE. 



FERTILIZER INVESTIGATIONS. 



This division came into being as a separate administrative unit on 

 November 1, 1915. Prior to November 1, 1915, the work was under 

 the direction of Dr. Frank K. Cameron; since that date Mr. Frederick 

 W. Brown has been in charge. 



The work of the division is divided along three lines which deal 

 respectively with the three fertilizer ingredients — potash, nitrogen, and 

 phosphates. 



