New-York daily tribune. [volume] (New-York [N.Y.]) 1842-1866, 1847-09-29
The Pictured Rocks COPPER Mines in 'sn"da.
CorresPooteace Of the Cincinnati ua<e1'e'
M,ckt>Aw August % 1871.

'@N~"~'
MAcKI>Aw Angus, D. lcil.
MEssRs. EplroRs-We have progressed thus
fax on the geological survey OF the upper peninsula
OF Michigan and although the discoveries within
the design and Instructions ct the Government are
10 be kept sealed until they are reported to the
proper authorities. yet Incidental curiosi,ies may
undoubtedly be made Known therefore inclose
70 you TWO brief articles.
/ THr PIcrURED RocSs.-l had passed and re-
passed tho Grand Portal OF the pictured rocks
three different times and had once made ssketch
of h. kug Il seems bad never ascertaincd the ~.
tent of is interest Ia passing e lately. all the
circumstances being favorable ~ determined H.
enter the arch with our boat snd though our mast
was only about 10 % i, lect high. silll the feeling
As We approached vas. that We must take II dowl
T. be able % pass under the apeS OF The arb but
drawing nearer the mast seemed % shrink and the
arch 10 tower upward until our SAL shook under
vault lso feet hi1h 50 much Is the eye deceN Ell
bv A general proportiOnste grandeur. Entering. we
found ample room for vast snip 81 ~sr with ssiis
all standing 10 conceal herself turn round and come
out without impeachment Although the wster. Is
deep Tor three ourths OF the way yet at the tar end
Of the cave there 10 rst pile OF huge slon blocks OF
sandstone snd beyond these sand beach ~ g. % ieet
wide. Excited BY work 80 MAGNIFICENT determined
- make tiny Ooseryatory unul nsd sscertsined the
form and dimensions accurately 80 expedition would
permit For this purpose. and 10 enjoy The romantic
luxury 7 resolved "a spending ght where need rot
call uton the mountains 10 hide mo. As there was
spice danger In spending reht IN this palace "i The
winds snd waves landed the party ~ encanp on the
sanHs Dear the DOric Rock. aud was then transported
and led Ia tho cave with my nephew sud instruments,
the yoyagers returning With the boat 20 The eneamP
rneut Here We were more securely imprisoned than
Napoleon on - Helena the only means VI escspa
being 20 climb over hanging rocks two hundred heel
hish or swim half mile OF the Lake with water
80 cold ~ b stifrn Ia one eighth II thst tis
t,nco. and provisions lew sncs- oi wood
which We brought in the boat, sud bucket 81 beau
soup But gave ourselves 10 anxiety Tor W. had too
much work 70 perform Immediately va measured our
base line for riangUlson 500 feet long al within ms
cave of the great At this part OF the pictured
rocks there table OF sandstone aoout no feet high
pres,ntins to tho lake perpenicasr wall OF waving
aud angular outline iorsJyeTs nics AZ the grand pog
ts the rock us into short peninsula by two curves
which come w ike the curves from the shoulders IN
each side OF the thu end u abruptly truncated
as the head had been 81 Into this uUucsted end
enters the grand portal arch about l2 ieei hgh and
penetrating about BOD iset terminates IN two smaller
arches Near tar ens arch, opening on each
side of the neck rayprsss the main cSveru Thus tho
ground plan. like that Of snctnt c.hedfais cross
In the portal however the head of The cross Is double
We venturcd 10 give nsnes 10 the various apartments
ls the grand dome op-ang In the grand portal "a aud
3D. the hrst and SECOND dormorts an, the lelt wing
OF the cross 9Th the rgbt wing ~ the cross ON tue
yssiry with columns groined Gothic windows
communicating with lhe rieat wing IN, the Egyptian
l.byrinth consisting OF cynffic and gruntd galleries,
supDortsd by peculiar columns having distant r.scm
blanca 10 the Egyptian. communicating both with tho
rsbt wing and sith the grand dome. The form vi tho
columns Is that Of two elongated bells with thr tsO
small ends Joined form tho middle OF tho shaft or ~
detail hsure, expanded AZ me TOP mo An nvert
ei bell contracts rapidly ss desctncs and ~ grad
u.l curys becomes nearly yndric TOR some distance.
and again IL contracts on gradual curye III u comes
almost 10 point where meets the same figure resers
cd This form 10 essential beautiful, being a solid
generated by rotation Of Hogsrths sismoid line OF
grace To expsln the mode OF s formation would lead
ID too long dieeussiun
Onr nost active and trollcsomo halfbreed yoysgeur
ma wsded the and without our pcrceNing him,
had entered tn Ahy fn To oar surprise Nc thrust ms
bead out at hole IA the vail OF tue grand dome -nd
uttered hldeous growL us companions instantly tool
up tho 81 the besst la his den and hurled y0ey
oil stones Al ha Darling back Lcgatdo presented hs
head another opening ana d,nei his pursuefs vita
still 6ercer snsr Instantly there followed another Obey
another yssou and snOtner peal OF laughter ccho'
back from the dome abored hard until dark. alt th,n
discovered danger Ia making II my place OF rect
found pert Ot me Interior oi the csse 10 b lincd
With Il she'll of stone OOseued by the last winters root
and ready AZ All points to ia With crushing force Going
back "a n. iRgbest recess of tho dormitory sich
Knocked OF all tno looss stones proPped W my COZ %
yns of rocks and composed myself O. sleep not un.
mindful ss laid down that tho canopy OF my bed wss
of solid stone hundred feet thick with forest Of ne
trees Oh toy the ornamental fringe About midnight
arose lighted candle. built nrs and walked forward
with my lantern the iArh-st block OF stone. ior-
esl.a al this great GIFTED window presented BY tbs
port. arch and stood the polar star ust tSokled
the verge the opening making the angular altitude
equal 10 the latitude OF tho place. Again lsd down la
the dornitOry and listened 10 the drgeso music OF tho
ripple kssed the rocky fragments aud danced Into
the lsbyrinhs ia such situations there IL often mi
rage OF sound wonderful that OF sight tbs dis
cords sesm b. be absorbed and Tho harmonious nous
are echoed aud rcycrberst.d win mora enchanting
spelis inan belong TO the A,lian cOmmDged with the
drge msgiHrs limitations e" cascades hall rain aud
stOrms 1hi. the pianssimO, the i0riissimO would
be Witnessed when the northern storm should drive
the tnunter vi tho great L,se directly into tbs grand
Ia HI.Y ned ~
was \ tensnt-'t VAS really What desired An ava.
snche OF rock sufficient ~ have crushed city had
fallen Just outside OF the lcit arch aud laid rudey
piled the hight OF My feet Thither would have
10 witness tho blOOdless baule Of the esne
tor long has teen wagoi between aud ROCKS
In which the rocks hsys far been Obliged 10 yield
Morning came aud with the dawn myself aud nep hev
were at our work Ot uisnguisiug Tho party
shore having 20 rouse them uzurlscd until r.
Their late Ia tho forenoon, when tbs merry boat
round the point still ~ had not done. fnaHy hay-
ne completed the survey, and obtained geological
specimens OF great interest," joined Ourselves 10 the
world again / shall calculate my observations, make
drawings Of ground plan and elevations and them
in my report DR. Jackson aud through him 10 tho Gov.
eminent tnst Il they found worthy Of H. they may
be published. nerd hardly say that such curiosity,
,uch = climate deserves visit from the cncinnetsns
during the bot mouths. Within hall mile is = boat
hsrbor ~ camping ground and still sn0ther half
mile along the land beach 10 the Chapel rock and stu
cascade Beyond THIS Again Is cascade leap
ng from top ofbe Pictured Rocks clear Into tho Lax"
and blowing blast wind Ia all directions from where
IL strikes The suAcieut 10 propel sail boat Inc
grand portal Is less extensive ihsn The mammoth cayo'
being mere fraction Of H. but IL ha5 several cOmpensst
ug beauties IL has liz bt and and hno breeze aud 10 At
th. same tune cool You arrive At all OF s beauties
without fatigue and enjoy through s three open arches
the most extraordinary landscapes Through the grand
portal you only the sh0reess Lake through the
western Opening VI the cross srcn limited but msgnh-
cent view OF Lake and the Pictured Ocks ovsrhsng
as It's dark blGs waters whose surface when calm
u0se rocks reelected into symmetrical counterpart
of the original Through The eastern wing ID seen slso