Mean latitude of Sandy Lake post, from observations, July 16 and 25 46 45 35

Mean longitude of Sandy Lake post, from 4 sets of observations, July 15 and 16 93 21 30

Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 — Part 208

Latitude of Wolverine Camp, July 23, 1 day from Sandy Lake 47 4 15

Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 — Part 208

Latitude of halting-place above forks of Leech River on the Mississippi, July 20 47 24 00[205]

Summary Narrative of an Exploratory Expedition to the Sources of the Mississippi River, in 1820 — Part 208

Latitude of camp at Lake Winnipec, July 20 47 30 56

Latitude of halting-place near first return camp, July 21 47 27 10

Latitude of return camp; near the above, same day 47 26 40

Latitude of camp at Buffalo hunting-ground, above Pe-can-de-quaw Lake, July 28 and 29 46 00 00

Breadth of river at camp on the Buffalo Plain, 148 yards

Latitude of halting-place between the Great Falls and St. Francis River 45 25 43

Breadth of river at camp above Falls of St. Anthony, 200 yards

Mean latitude of Fort St. Anthony, new site, July 31, by 5 sets of observations 44 53 20

Mean longitude of Fort St. Anthony, new site, July 31, by 3 sets of observations 92 55 45

Latitude of Fort Prairie du Chien, Aug. 6 and 7. 43 03 19[206]

Latitude of Fox and Ouisconsin Portage, Aug. 14 and 15, 43° 42´ 36´´; say 43 42 00

Latitude of camp near mouth of River De Loup, Aug. 17 44 6 44

Latitude of Fort Howard, Green Bay, Aug. 21 44 31 38

Longitude of Fort Howard (some error), probably between 87° 45´ 30´´ and 87 46 00

Latitude of camp at Sturgeon Portage, Lake Michigan, Aug. 23 44 47 43

Latitude of camp 3 miles north of the Manetowag, Aug. 24 44 12 47

Latitude of camp south of the Sheboyegan, Aug. 25 43 41 26

Latitude of camp at Milwaukie, Aug. 26 43 01 35

Mean latitude of Fort Dearborn, Chicago, by 6 sets of equal altitudes, Aug. 31, and meridian altitude 41 54 06 Mean longitude of Fort Dearborn, 3 sets of observations. In time, 5 h. 50 m. 8 sec. In degrees 87 32 30

Longitude of Detroit, calculated from above 82 54 53

Latitude of camp near head of Lake Michigan, Aug. 31 and Sept. 1 41 38 48

Mean latitude of the extreme south point of Lake Michigan, 4 sets of observations and meridian observation 41 37 28

Latitude of camp next north of the St. Joseph's, near Kekalamazo, Sept. 3 42 32 16

Latitude of camp at Maskegon River, Sept. 4 43 13 41

Latitude of camp near Point aux Salles, Lake Michigan, Sept. 5 44 5 17